After working in the electronics field for 40+ years with a handful of companies and the U.S.

Since documents and tax returns are transmitted via pdf and other electronic communication, proximity is not important. 

For receipts, if they are electronic, they go in a folder on my computer and paper, they go into a file for that property and are grouped by year. 

@Jennifer RysdamWe use only electronic leases, so that part is easy.

Luckily the approval was even entered into some electronic record which proved handy. 

A) Get a bank account to pay electronically. 

If the software is not simplifying your life or making you more accurate, you shouldn't use it.Software does have 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.

If the software is not simplifying your life or making you more accurate, you shouldn't use it.Software does have 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.

Unless both are paid via credit card or electronic processor.

As an owner-landlord of 20+ single family homes across 3 states now, I am spending an inordinate amount of time handling bills, statements, receipts and other paperwork, both in physical-paper form and electronic.