Personal use - if you or your family used the property for personal purposes, you will need this to factored in. 

Since it was a structural change, you need an architect or engineer to draw up plans that make sure the new changes are safe of course. 

When a tenant calls or texts you drop what you're doing and answer.

That's the only way you will know if it's legal.In a true wholesale deal you are putting the property under contract, then either assigning your contract or double closing. 

He has a staff of 3 or 4 assistants to handle the details, and his break even every month is $30K. 

There gonna sell you the stuff they can't or won't do. 

Or do we need to travel every week?

What properties are you wholesaling.. homes, land, mobile or a bit of everything?

I ask if they are US citizens or green card holders, and I ask for past addresses for the past 5 years as well as any other names they used in the past (maiden name, nickname, etc).

A lot of investors are jumping to secondary lines of insurance coverage and the problem with those is that the companies are based in the Cayman Islands or the Bahamas a lot of the time, and it is suspect that they would actually pay out if the need arose unfortunately.