I imagine those renters will fill it and then not access it much, so it shouldn't be a bother to your tenants.

Everytime you sell you will be taking part of the gain tax free. 

They also didn't get hit with capital gains on the entire purchase price, which enables them to keep more of their money. 

I know real estate is a long term play but you never know when you'll need access to that capital.There are turnkey companies out there that handle the entire process for you from top to bottom so it makes for an extremely passive investment.

Notice when I spoke of London STR I used the words "gain control of a property" and NOT "buy a property"???? 

I would like a payoff planner that helps me navigate the various maturity dates and interest rates of my (15 due in 5) mortgages so that I gain the best financial advantage when paying down principal balances. 

From a lender standpoint I think the main areas of concern with auction properties boils down to access.

With an SDIRA, you can use tax-advantaged funds to purchase property, and any income or gains from the investment grow tax-deferred (or tax-free with a Roth SDIRA).

IF my numbers are truely "too low" I just looking gain confidence in how I am analyzing properties and estimating repairs.  1710 10TH AVE N, 37208: https://docs.google.com/spreadsheets/d/1B0CoSbGxQFbRBVzXBERw...6121 Southampton Dr 38119: https://docs.google.com/spreadsheets/d/1a3WBEcgv2SMggu5P2HrK...2014 Salem Mason Dr, 27208: https://docs.google.com/spreadsheets/d/1Jzr5TN9PYhuiFuD2THLb...Spoke with a seller yesterday, before I go with these numbers I thought it best to ask for some guidance. 

It really depends on your comfort level and long-term goals, but even if you want to get into multifamily long-term, SFR may be the best option to gain some comfortability.