I was wondering what is the best way to screen future tenants if I don't want to pay for a monthly subscription like tenant cloud or rentredi? 

Most quality PMCs will not manage these properties as they understand most owners won’t pay them enough for the time required and even then it’s too difficult successfully manage them.

He has an ITIN and pays taxes. 

If you pay back all the upfront capital needed to fund the deal, the return becomes infinite after that, so that plays heavy.  

The house was appraised at 450k and we’d be paying her sister 200k.

No fool pays $70/month for wifi.

Let's look at MSA median incomes, because reality is when "investing" in a MSA Real Estate, well, revenue and profitability will be DIRECTLY dictated by your customer bases ability to pay, right. 

So if I liquidate money from my business credit cards and open a forex brokerage account and pay for a trading bot, is the money i use to pay back the credit cards and trading bot taxable?

It is possible, if you time it right, to get two bookings on one listing at the same time (a late cancel who still has to pay and a last minute guest booking). 

I own 2 rental properties, the first one is paid in cash and the second one i have a mortgage on it which i pay 464 in total including tax and insurance, trying to see how much i would qualify using only my rental income while i look for a job once moving there in ilhaving a hard time qualify for a loan since they cant use my job income that i have here in cali, been told that I need to move there first and work at least 1 month and then apply or I need a job offer letter.