Tasty Trade is a brokerage that has allowed IRA LLCs/Trusts to open brokerage accounts. 

I would ask any friends and family who are in the trades for referrals. 

in Bitcoin ... sure shot way of losing your money ... 

No big, national, publicly traded banks will do this loan type.

That being said, the trade off are higher fees and rates.

Be sure to utilize tools of the trade for the best information.

On that scale we have a range of properties in our portfolio, even though I have started to trade out properties from the lower end back in 2014/2015, and some cashflow a little better - however, when you look at the total financial picture there is a lot more than cash flow: obviously appreciation, but also principal pay down, turn over rate and soft factors like tenant quality and with that turnover cost.RE's primary superpower is equity, cash flow is secondary.

Those that self manage usually:1 - Interview vendors and trades - i.e. cleaners, handymen. 

What do you use for skip trading and how accurate is it?

In order of priority, I would put title company after GC, lender, insurance broker, real estate agent(s), inspectors, and several trades.