How to Make Money With AI by Solving the Last Mile Problem
A few weeks ago I called our local HVAC company to schedule a heat pump tune up. The phone was answered by an AI voice assistant. It sounded natural, polite, and remarkably capable. The system confirmed my address, asked about the equipment in the house, offered available appointment slots, and was ready to schedule a technician for the next day. From a technology standpoint the experience was impressive.
Then I asked a simple question.
“Can you check whether I have a maintenance membership and whether this tune up is free?”
I was fairly sure we received a free tune up last year as part of a membership plan. I just needed the system to confirm it. The AI assistant paused. There was a slightly longer silence. Then the system transferred me to a human agent.
When the human answered I had to repeat everything. My address. The equipment. The service request. The reason for the call. The representative sounded a little tired and slightly annoyed, which made me suspect this was not the first time she had taken over a conversation that the AI could not complete.
From the outside the technology worked. The voice was good. The scheduling system worked. The questions were handled well. But the system failed at one small but critical step. The AI agent could not check the membership database. That one gap turned a smooth automated interaction into a human handoff that erased most of the efficiency gains.
That moment illustrates something important about where the real opportunities in AI exist today. The most interesting money making opportunities are not always about building the next AI startup. In many cases the opportunity sits in the last mile problem.
The AI boom created many powerful tools
In the last two years we have seen an explosion of AI tools. Voice agents that answer phones. Systems that summarize documents. Software that generates marketing content. AI that schedules meetings, writes code, or helps businesses handle customer support.
Take tools like Mitra AI and similar voice agents. These systems can answer calls, ask questions, and guide customers through basic workflows. Many of them are built by extremely strong engineering teams and funded by venture capital or private equity. They involve large models, sophisticated infrastructure, and months or years of development work by multiple engineers.
From a technology standpoint these tools are already impressive.
But from a small business standpoint something else is happening.
Many businesses try these tools and then discover that the system works almost perfectly until it hits a small gap in their process. That gap is often where the real work lives.
The gap between AI capability and business reality
Small businesses rarely operate in a perfectly structured environment.
A plumbing company might have
- Membership system for maintenance plans
- CRM with customer records
- Scheduling calendar
- Billing system
- Technician notes in another system
When a customer calls, the answer to a question may require information from two or three different places.
In the HVAC example the AI assistant could schedule an appointment. What it could not do was verify whether the customer had a maintenance membership that included a free tune up. That information likely lived in a different system that the AI agent was not connected to.
This is the last mile problem.
The AI agent can handle the conversation. The software can schedule an appointment. But the system does not know how to connect all the pieces that live inside the business.
Why the last mile matters
Many people assume the biggest opportunities in AI involve building new models or launching entirely new platforms.
In reality, many profitable opportunities appear in a different place. They appear where someone takes an existing AI tool and makes it work properly inside a real business workflow.
This might involve
- Building a small database that stores customer membership data
- Creating scripts that connect a CRM to the AI system
- Designing logic that helps the AI ask the right follow up questions or building integrations that allow the system to read information from existing tools
These tasks are not glamorous. They do not involve training a new model or raising venture capital. But they solve the real problem.
Why small businesses struggle with this
Small businesses want plug and play solutions. They want to install a tool and have it work immediately.
The reality is that most AI systems today still require configuration and customization.
Someone needs to structure the information the AI can access, define how the system should respond to different questions, connect the AI to existing databases or scheduling tools, and test the logic to make sure edge cases are handled properly.
Many small businesses do not have the time or technical experience to do this work themselves. And that creates an opportunity.
The opportunity is not building the tool
One way to think about this is to separate two layers of the AI economy.
The first layer involves companies building the core technology. These companies create large models, AI voice platforms, or complex automation tools.
The second layer involves people who help businesses actually use those tools effectively.
In many cases the second layer is where the practical money is made.
If someone understands how to configure a system, connect data sources, and design good workflows, they can create enormous value for businesses that simply want things to work.
What solving the last mile looks like in practice
Returning to the HVAC example, the solution to the membership problem might involve something relatively simple.
A small database containing information such as:
- Customer name
- Address
- Membership status
- Membership expiration date and included services
The AI agent could query this database during the call and respond accordingly.
The system might answer:
“Yes, you have an active maintenance membership. Your annual tune up is included, and I can schedule that for you tomorrow.”
That one integration turns a partially automated experience into a complete one. And that is the last mile.
Where these opportunities exist
The pattern shows up across many industries. Local service businesses such as
- HVAC companies
- Plumbing companies
- Dentists
- Physical therapy clinics
- Auto repair shops
These small businesses often run multiple software systems that do not communicate well with each other. When AI tools enter the picture they perform well until they reach the point where they need data from one of those systems. Someone who understands how to connect the pieces can create enormous value.
What businesses might actually pay for
Pricing depends on the industry and the complexity of the solution, but rough ranges often look like this.
A basic AI workflow setup might involve:
- Initial configuration of the AI tool
- Connecting a CRM or scheduling system
- Designing conversation logic
- Testing and refinement
Many small businesses would reasonably pay between $500 and $3000 for this kind of setup.
Ongoing support or optimization might range from $100 to $200 per month depending on the level of maintenance.
For businesses that handle large call volumes or appointment scheduling, the return on investment can be obvious. For example, if a business receives fifty calls per day and the AI system handles even half of them successfully, the savings in staff time can easily justify the cost.
Another way to think about AI opportunities
When people think about AI startups they often imagine building the next major platform. But another way to approach the opportunity is to look for places where
- The AI works well
- The business process almost works and one small missing piece prevents the system from being fully useful
That missing piece is often where practical value lives.
Questioning the idea as well
It is also important to challenge this approach honestly.
The last mile opportunity exists because the ecosystem is still young. Over time some of these integrations will become easier or more automated. AI companies are actively working to reduce the amount of customization required.
However, real businesses are messy. Software systems change slowly. Data is rarely organized perfectly. Even as AI tools improve, businesses will still need people who understand both the technology and the workflow of the business itself.
The best opportunities will likely appear where someone understands both sides.
How to identify good opportunities
If you want to explore this space, start by asking a few simple questions when you encounter an AI tool.
- What part of the workflow does the tool handle well?
- Where does the process break down?
- What information does the AI need but cannot access?
- What small system or integration would solve that gap?
Often the answer is not a new AI model. It is a better connection between systems.
A shift in how we think about AI entrepreneurship
The most interesting AI businesses may not always look like traditional startups.
Some will be consultants who specialize in configuring AI workflows. Others will build small software tools that bridge gaps between systems. Some will create industry specific templates that make existing AI tools work much better for a particular niche.
These businesses do not need massive venture funding. They simply need to solve real problems.
And very often those problems appear in the last mile.
Let me know what you think in the comments below!
