They have an app, scan your mail, forward mail, and will even deposit checks (forward/mail to your bank).

Since you have 10k liquid, I would reach out to other investors in the area and see if they might need private lending for earnest money deposits until you are ready to buy your first property.

That would allow you to dock their security deposit more than just for the prorated rent for those few days.

You may or may not wish to fix it since its likely too late to charge the last tenant's security deposit for it and also that it sounds so minor that people didn't even notice it right away.

Cash to invest (enough for deposits, skin in the game lenders want you to have, closing costs, carrying costs, and to kick off rehab work).2.) 

She co-owns other cash flowing rental with me that she paid her 20% deposit on.

Once the municipal/state requirements are all set, do a thorough screening for any prospective tenants, have a solid lease ready to go, and take move-in pictures to have on record for any security deposit deductions after they move out.

Given your questioning, it sounds like you might have put a deposit way too quickly on that property.

They weren’t thrilled about moving, but we worked with them—returned their deposit and offered cash for keys to help them transition into a new rental.

From my point of view for event guest screening and security deposits, Superhog is reliable and integrates well for STRs and events, but you might need to adjust its setup for your use case.