I agree with you, having your team and multiple funding options prepared means you are ready to be considered a serious buyer and able to react to good deals.  

I have been putting in multiple offers, but so far nothing has come up.

Just like people advocate multiple streams of income, people should build multiple streams of wealth/equity as part of their investment methodology.

Thumbtack is a great tool to be accustomed to as a new investor since you can find pretty much any job that you need there as well as get multiple quotes without having to commit. 

I have great relationships with him, referring other clients, and he always shows me how to do it right way, and I already did multiple things by myself - making window screens, painting of 8 interior doors in 2 days, hardware for kitchen cabinets, replacing bathroom faucets etc.

You’ll have multiple units, have put no money down, and can continue pushing ahead.

if the subject property is short on Equity.also if your doing multiple loans with a lender the fine print will also advise you that all your loans are tied together.so say you have 5 loans out with one lender .. and for some reason one is not going right and you default on that one the lender can call al the rest of them due and payable.. this catch's some borrowers by surprise.. 

seems like that is a bank refi situation not a raise private money so the owners have little to no skin in the game

They have more skin in the game then you do.Make sure you get clear title.

Unfortunately if multiple visitors come to visit the tenant, and those visitors have a private conversation then I don’t think that applies for consent since the tenant isn’t a part of that specific convo.