How do you manage receipts for rentals and miles? (only 3 homes)

[James Barnhart]

We are selling some properties, but will keep 3 nearby rental homes.  I am wondering how you manage the rental expense receipts and keep track of business mileage.

I record the expenses and income on a spread sheet I make for each for each property each year,and I list the various expense catagories.  But, do you use some app or software to store pictures of the receipts, or just keep the papers, or what?  And, do you some software or app to keep track of business mileage?

Since we only have 3 rentals now that we are retired, I don't want software designed for 100+ rentals.