I often read that one should seek a commissioned sales role because your comp is uncapped and that has served me well. 

Take care of the hard job first.  

So, things change a bit.If it is his personal home, there are more restrictions.For an investment property, if you take over his financing, read through the deed of trust (mortgage) and see how they handle transfer of ownership.

While it is possible to convert an investment property acquired through a 1031 exchange into a primary residence, this requires careful planning.

Yes, you read that right - it does not list a sales price. 

Never heard of Vetted Homes until reading this thread. 

Then you can read a more in-depth book like The Book On Rental Property Investing by Brandon Turner or The Unofficial Guide to Real Estate Investing by Spencer Strauss.2.

Quote from @Sean Barnebey: This is an interesting opportunity, and it sounds like you’re approaching it wisely by considering the numbers carefully.

I’d be very careful about who you replace this tenant with. 

I have most recently read in the last 2 weeks, Poor Dad Rich Dad and Bigger Pockets Invest In Real Estate the Ultimate Beginners Guide to Getting Started.