Before even attempting to start a business of any kind, you need to have a financial depth to get it off the ground. Most of them were under-capitalized. This is a conservative figure and could be a lot higher, depending on your market area and your ability to sell your product. Do not think for a minute that revenue in a service business is all profit. If you do, you will become a bankruptcy statistic.
Home inspection is a very risky business.
Your Customer's expectations will be very high. In order to survive, you will need to be very good and very careful. Sharing ideas and experiences with others in the business helps, but you must know what you are doing and consistently do it well. Errors and Omissions Insurance coverage is available once you have met certain criteria, but there is a deducible and the premiums are high. You very well may find yourself involved in a lawsuit even though you were not at fault.