Percent of UPB is fairly irrelevant as the buyer will be purchasing the note for cash flow and the rate of return would be his/her major concern $75,000 sale price is 81.5% of UPB, about what I was suggesting using my UPB method.

What are the best methods and products to tackle these tough cleaning tasks?

Use the enemy method.

I've completed quite a lot of BRRRR deals here myself as an investor so I help my clients in and out of state do the same.

I am interested in multi family rentals, single family, and utilizing the BRRR method.

If they are unwilling to use the methods you require, give them the opportunity to move out and start with a new resident. 

In your experience is does the method of prospecting depend on the types of commercial real estate you are interested in working with?! 

This can be a viable option for those who might not qualify for traditional financing methods.

I am currently divided between straight up SFR or use a BRRRR.  

You have the skillset and business to save on value add for flips and the BRRRR strategy so you can pay more than investors who need to find a contractor.