At the same time, one mistake can cause the loss of what took a lifetime to accumulate.

I am using a lower percent than normal because the ADU is newly built and I assume you will not have much in the way of maintenance costs and you will use more efficient fixtures to reduce your utility cost.

We have our own integrated credit card processing, with discount that is about 20 percent below VRBO. 

Make sure you’re within the right percent of the LTV.

Total is 32000 at roughly 3 percent.

My understanding is the properties would be given to me without any cash changing hands, except a possible wage to him as he worked with me (see above post)....hence "Opportunity of a lifetime".

If I sold for 350,000 id have a gain of 84,000 minus closing costs of 10,000 and taxes at roughly 25 percent and id have 55,500 roughly net and after the 30,000 I have invested I would gain 25,500 or 85% coc return. 

Whenever you are first getting into real estate investing, you are hammered with the 70 percent rule when evaluating what is a good deal or not.

Say I purchase the property for $500,000, I have two options. 30 year fixed with 25% down or 30 year FHA with 3.5% downI could put the 25% percent down ($125,000), thus decreasing my monthly payment to about $3,000 a month.

If your lawyer asked what you wanted to do when the other side did not produce the lease in a timely manner and you hemmed and hawed, then this is 1,000 percent on you.