Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

The advertisement of the property costs a few dollars but you can use the platform the run credit reports and get applications as well as upload your lease and sign electronically etc.  

I do all tenant relations and use Adobe sign for all documents. 80% of my tenants pay electronically and no one has been late.

Now that I have a few quality close-up pictures, I will contact them again electronically. 

Avail, Apartments.com, Buildium, RentRedi, and several other platforms allow you to make leases that can be signed online electronically and also will then collect rent through their portal. 

"Consumer Electronic File Storage": $25 [this seems like a bs addon]L.

You could pay a friend for showing and handle the rest electronically online. 

If the cleaner wanted an electronic payment I’d be happy to do that too.

But electronic options don't normally work in those cases. 

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.