For your existing primary, you will need to have it leased with the security deposit and first month's rent collected.

What are the best practices for quickly securing reliable tenants and ensuring positive cash flow, especially for someone new to this?

There's also the possibility of becoming the squeaky wheel by calling the police (*not* security) to report the matter.

You can also go straight to the source - Direct DSCR Lenders - don't necessarily need a mortgage broker to shop for you (especially if you are here and asking the right questions and clearly are sophisticated - unless you are SUper-strapped for time, you don't seem like an investor that needs to pay a broker for help - go straight to the lender)3) Last question- i'm seeing rates on DSCR loans in the 7.2% to 7.5% range, in addition to 1 to 2 points and they likely track 10 yr treasuries (4.26% as of today).

Keep in mind that most residential mortgages are conforming loans that are resold on the secondary market and bundled into mortgage backed securities.

Those condos have amazing amenities and great security.

We always send a contractor through to test everything and if broken, give estimates to repair and we can determine then if it is tenant damage and what charges to the security deposit should be.

This is a passive way of earning with real estate-based security, protection and insurance. 

House may continue to appreciate.Cons: Not sure how the revenue plays against social security, Medicare & taxes.

I can be relatively sophisticated in Excel to handle something like this.I'm sure there's a million posts about this but would be happy to hear your POV on vrbo vs airbnb.