I've been doing real estate for about 1 year now. I have 1 rental that I have fixed up and is now cash flowing nicely. It's going to take a long time to save up for another one and I'm looking to scale much faster. I ...

If you secure additional financing it gets more complicated and you will have to pay taxes on the additional finance part. 

I would personally use residential financing in your situation because the 30 year amortization at a fixed interest rate will mean higher cash flow and security against rate hikes.

Any reasonable methods is fine.So it can be based on the income, expenses, “actual usuage”.  

Just trying to sort out the logistics before I go and hire someone from over there as a cost saving method and then realize I was getting charged up the wooza for every call.

I would suggest that you should never go below a 50/50 or 50/25/25, with you securing 50% of the profit. 

My fiance and I own a rent control property in LA and this is my first time hearing about increasing security deposit to correlate with rents... so I'm strongly recommending that you contact an RE lawyer because RSO has a sh*t ton of rules.

Then she signed the lease via DotLoop and sent security deposit and first month rent via CashApp - just to secure the house.

Turnkey is not the right choice for those people - a more local, self-managed BRRRR method would be better suited.

They've given me a bank check for the security deposit.