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.

Economists, investors, brokers, and countless media outlets (including Youtube) share market predictions in January and the preceding months.

If I was starting out today I imagine it would be much worse, the result of (mis)information that is so prevalent and readily available on social media. 

Don't underestimate the power of online forums and social media groups.

Of course, if the tenants don't file tax returns, there's not much we can do except try to garnish their bank account when they get their federal return - if you can find their bank and serve that bank a Garnishment Notice before the tenant withdraws the electronic payment from the IRS/ tax preparer.Hope this all helps!

I noticed that the weather is freezing the electronics or something funny like that. 

Move to an electronic card system even for the soap dispensers. 

The locks that I use also specify to use Alkaline because Lithium can damage the electronics in the lock. 

We do however also send it electronically.

Economists, investors, brokers, and countless media outlets (including Youtube) share market predictions in January and the preceding months.