Comment by toast0

> There must be some barrier to entry in the market that prevents that, and that's what I would target.

Training to be a vet is a long process. The patients are nice (mostly), but don't communicate well, and some of the customers are terrible. In my area, there's a shortage of small animal vets because they can make a lot more money in the big city. There's an even worse shortage of large animal vets because the job is worse, and they can make a lot more money working with small animals in the big city. Our large animal vet won't do callouts for emergency/urgent services anymore unless you're on contract for annual checkups; routine visits are good for vet morale and help the budget.