Then, of course, we haven't eliminated the heating gas expense, only reduced it.

That should eliminate 90% of your issues. 

Also having a full-time person has allowed me to not only manage 4-5 rehab projects at once, but also eliminate paying a General Contractor.

If you cannot survive without a certain partner and they have greater control over your business, then you need to adapt and conform to your partners demands.In this case, either eliminate ABNB from your operation, or abide by requirements.

Make sure you use a licensed agent who understands wholesaling so they can help you eliminate all the bogus ones and focus on the real buyers. 

It also allows for a capital gain elimination at the time of the sale.

This eliminates the need for a tear off and the expensive labor and disposal fees for that.

The other things you choose to pay for, inspector, termite inspection etc those are your choice...and you can just skip them and close eliminating the concern about option money.

Everyone is always talking about ways to decrease/eliminate the upfront costs and never mentions how that negatively impacts your overall position across the board in the long run.

We have eliminated these problems for our clients to the extent that we now run their entire construction operation.