Automating payment of rent

[Kate B.]

It's been awhile since I posted regularly and my situation is about the same if anyone remembers.  I own three properties with no mortgages and one is a three family.   In my three family building, it now is best for payment of rent to be automated.  (Two tenants work late hours when the credit union is closed, and another one is a nurse working double shifts.)

Has anyone found a good way to automate payment, especially one that is free or low cost?

Thanks.

Kate