We've done demos with all of the big name PMS options and are finding big gaps with all of them, mostly when it comes to payment processing.

you may have to save up until you have enough money to do so - down payment, closing costs, reserves, etc.House Hacking: What Is It, How to Start, and Strategies for Successit's a more powerful way to get started. 

The maximum fixed-rate period seems to be seven years, and there is generally a balloon payment at 10 or 15 years.

I know there's seller finance and "B" lender that are good for the short term, but if a balloon payment is due say in 5 years, there's no guarantee that my DTI would be in a better place then I'd be stuck without funding. 

If tenant below is paying 1,500/m he's living in area he wants for roughly 750/m P/I payment.

Take the payment in 2 or 3payments.

Alternatively, if you’re using QuickBooks Online with a plan that includes the "Payments" feature, you can collect rent directly through QuickBooks while staying on top of your bookkeeping

One thing I am curious of - typically many of the hard money lenders will charge a 1-3 year pre-payment penalty in these types of scenarios unless your client paid points to not have that pre-payment penalty.

I will give you my numbers since we are 3 years into Velocity Banking.Home was purchased at $410k.Interest rate: 3.125%30 year termMortgage payment is around $1950 (includes insurance and property tax)HELOC: 8.25% Variable rate - current rateCredit Limit: $97kLet's say I made $10k a month and our expenses were $6k each month including the mortgage.

But then I am still stuck with the monthly payment of $180 a month.