You should be able to search (if your county has online records) for your tenant’s name and/or all previous addresses listed on the tenant’s credit report.

is there a way for me to create an online STR guestbook for free? 

BiggerPockets is an awesome online community for anyone interested in real estate investing.

Look at other rentals in the area and see not only how they are advertising or promoting online but also the inside and outside of the rental so you can create a similar environment to try to replicate the same results.

Some towns require a nightly online form to be filled out for any non-residents who are parking their cars (this is easily automated from an operational standpoint).As the MTR market becomes saturated over time, those who have separated themselves from the rest of the "competition" will continue to perform well by having an outstanding listing and all the MTR-specific amenities.

The amount of ideologically inspired nonsense online is mind-boggling. 

You can find them through local real estate investment groups or online platforms.Auction or Estate Sale: If the property has unique characteristics, especially being a large, old Victorian, it might attract specific buyers looking for such properties.

Inst ($285.00) ($1,943.52) 3/31/2020 ACH ORAM-2910BROUGHAM- Little Pay Mowing Bill Maintenance Expense-Cleanup, blow clean, extra services ($85.00) ($1,658.52) 3/30/2020 ACH ORAM-2910BROUGHAM- JEA Bill Utilities-01/21/20 - 02/19/20 ($59.37) ($1,573.52) 3/28/2020 ACH ORAM-2910BROUGHAM- Crossmen Home Inspections, LLC Bill Maintenance Expense-Locksets replaced and fire extinguishers place at move-in ($50.00) ($1,514.15) 3/28/2020 ACH ORAM-2910BROUGHAM- Crossmen Cleaning Solutions, LLC Bill Maintenance Expense-March 7-10 Maintenance Cleans ($30.00) ($1,464.15) 3/25/2020 Check 3.26.20ALL ORAM-2910BROUGHAM- JWB Property Mgmt Bill Management Fees- ($169.90) ($1,434.15) 3/20/2020 Online Bank Transfer ORAM-2910BROUGHAM- JWB Property Mgmt Bill Tenant Placement- ($1,699.00) ($1,264.25) 3/12/2020 ORAM-2910BROUGHAM-2910BROUGHAM Coker, J.

You can also check their reviews online at Google, Facebook, or Yelp.

To managed it a bit easier (when you grow to more than a dozen), it'll be better to have one online login and manage all 'child' accounts.