For those looking to use the Plastiq + Credit Lines for a down payment/closing costs you need to consider the following:Most banks will normally require seasoning of funds so if you use Plastiq to perform a wire transfer to your bank account (or that of the Title company) it may throw up red flags.

However if you have enough reserves, 6mo or greater then I'd say chance it but a couple of missed payments from the tenants and you have to foot the payments out of your own pocket.I'm all for taking risks but I think you really need to evaluate the age of the major systems so you don't get hit with a bunch of cap ex all at once as well as your reserves. 

Should I sell the investments (pretend we're in a non-recession normal stock market environment), and payoff the rental?

I've done a few deals where the bank offered purchase + rehab funding up to 75% ARV, and then it converts automatically to a normal mortgage loan at the end of the rehab. 

"I'm at the point where I've gotten out THE lease and it doesn't have anything about locksmith, however the maintenance, repairs section states, " All normal repairs necessary to maintain premises in a tenantable condition shall be done by or under the direction of the landlord, and at the Landlord's expense, except those caused by negligence or acts of the Tenant, which repairs shall be made at the sole coast of the Tenant. 

It is very normal to buy a home with other debt, especially at your income level.

At it's basic level:Assumption: Asking the bank to turn the loan over to you and going through the normal underwriting process, credit, income, DTI ratio etc SubTo: Taking over the loan without telling the bank, no underwriting, no credit check, no income verificationBoth have risks, but it's not my intent to be detailed in this post.

I paid him the normal closing cost, a few $ grand in fees, and a slightly higher interest rate than I might could have gotten conventionally. 

This implies that if I had confidence of better than normal appreciation or ways to add value, I would purchase a negative cash flow property.  

No one  (aside from ideologues) seriously considers bitcoin a currency anymore, and there are secure ways to store your bitcoin using hardware wallets but it's tough to convince normal people to do it which I think will hamper it's adoption.