After that, they can get money from any source they want for as long as they want.When a tenant moves in with borrowed money, there's an exceedingly high chance the free money will eventually run out and they won't be able to afford the rent.

Most lenders will do al 75-80% of Loan to cost as long as the loan amount does not exceed 75-80% of Stabilized value. 

As long as you do this you will have maximized the 121 exemption and sheltered all of the remaining gain in the 1031.I've put together a couple videos on this exact subject. 

Not nearly as profitable as other investments I’ve leveraged like college rentals or anything like the kind of automatic appreciation that Boston metro has seen over the last few years, but a fun, different approach to the market, so long as you don’t fall too far down the arbitrage hole.

If you want to be active and want to be involved with some of the day to day decisions, as long as you have a great team in place the hours you will work will be minimal. 

As long as the deal works for you and meets your return requirements you can pay whatever you want. 

I wouldn't be mad if there wasn't any though (as long as the cash flow is fine).

As long as your living there, it would probably make sense to cash out refi and put that money into other properties. 

Yep a recession is here - this deal is currently on hold however I am looking closely to jump back in as long as we dont get a resurgence in virus cases.

Refinancing gives you a new loan with a new rate, and if you have equity in the property you can pull out some of that in cash when you refinance (as long as you are within the loan to value amount).