It cost $1000 ( electricity) to mine one bitcoin, idk if that matters as far for any lowest value.

The seller doesn’t need to know that the underwriters may give you more of a hassle than other buyers.Or do you have lines of credit or a private lender so you can make a “cash” offer then try to get the financing through before close or at worst just do a cash out refi after close?

Knowing cap-x projected out years is not an "extra credit" kind of information, it's fundamental necessity. 

Screening tenants well and then a security deposit or credit card hold process in place will limit liability.

The reason being I have to build up my credit score before I can get approved for a loan. 

In some cases they cannot pull the money out because it is now (Non-owner occupant) an investment and their credit union or bank may cap them at 70% or 75% MAX LTV.Nothing wrong wiht putting 10% down on a primary but look at the rates on both 5% and 10% usually when you have PMI built in the rates stay the same.

So do a background/credit check, get a full application, paystubs (Call to verify), former landlords phone #s (Call to verify), and other information.

DSCR loans are based off of down payment, credit score and either actual or market rents so it helps to supercharge an investor's real estate goals and net worth.

., a duplex or multifamily), you may qualify for a conventional loan with as little as 3%-5% down.HELOC or Cash-Out Refinance: Use the equity you’ve built in your current property to secure a Home Equity Line of Credit (HELOC) or cash-out refinance.

Depending on the lender and program your biggest hurdles might be credit score and income and time in job.