There are variables like the population of your area (you might be in a country town), the amount of competition you have, how diligently you work and how you implement the methods and instructions in the course, you could make between $20 000 – $70 000 in your first year. And upwards from there as you become established. $20 000 is approximately 40-50 inspections, that is doable in one year if you work at it.