Account for all costs, including closing fees, holding costs, and repairs.

That is your denonimator.You also take the cash flow you get from rent minus all your expenses, so at end of day how much $ is in your bank account for the entire year.

Monitor the account that all x number of payments went out.

Make sure you account for all of your interest load if youre using a Heloc for permanent financing as you suggest.

As a co-host for short term rentals, you may not need a license as long as you're not crossing over into activities that could be considered brokerage activities like handling any contracts, collecting rents, doing any accounting, approving tenants, etc.

The maximum leverage I have ever seen in trading accounts is 50%, and that's very limited and select.

There's no step by step guide but there are key things : Learn: RE strategies, what interests you, what do people in your area need.Connect: find a mentor, accountability group and be around those doing what you want to do.Help: solve problems- do people need dealflow, property mgmt, construction expertise, etc. 

This approach avoids downtime and lets you start earning right away.Future Bookings:Taking over bookings can get tricky since Airbnb doesn’t allow direct transfers between accounts.

Money was deposited into my account the day after checkout.

They are either a combination of a Maintenance/Tenant Management business or Accounting/Real Estate sales/Tenant management service.