(The online portal transfers money to a bank they designate to receive the ACH funds). 

I use Quickbooks for my bookkeeping and that allows payment via ACH through them.

Someone correct me if I'm wrong, but you should be able to setup an ACH with them so they can only deposit funds, kind of like a tenant can't just withdraw funds from you only send, and then you could write and mail them a check.

Unfortunately, these cards do not permit ACH debit transactions which require both bank account and routing numbers.

I mean, in Nursing and Medicine, things change so much every year, that you constantly have to work hard to keep up with changes.

I also have a couple that set up ACH transfers with their bank.At the end of the day you want the rent into your bank account, so why not cut out all the middlemen that want a fee?

Good rental market here as there are many great higher education institutions and also, the area is heavily weighted towards medicine, and there are a lot of people employed in that field out here as well.I guess it's going to depend a lot on the area.

It will save you a lot of time and head aches. 

I get his position, too much potential head-ache with unknown quantity of new partner(s) and potentially less return for him, when he has spent a life time forming his own company/dream team and investor pool.

I arranged for the owner to lease the property to the buyer for exactly the note payment to me, and I would ACH funds directly on a monthly basis.