Will all of your vendors take a credit card as payment?

If it’s verbal, they’ll need to document any prior communication or payment records to establish the relationship.If the PM is completely unresponsive, they may want to send a formal written demand for communication and payments via certified mail.

By house hacking, you're immediately positioned as a landlord, which will adequately pressure you to learn how to structure your leases, screen applications, collect rental payments, resolve the nuances of managing tenants and addressing property issues, etc.

Also go through a servicing company for payments to the seller, escrow can probably help you out with a recommendation for that. 

I took no money from the cash flow (when there was any) and I never made a late payment to the bank.This fall, nearly 12 years after the bank gave me that house, and over 15 years after I knocked on that door - after evictions, vacancies, insurance claims, and never taking a dime out of it - I sold that house and placed all of the proceeds in a 1031 exchange.

What property management software or tools would you recommend for tracking rent payments, leases, and maintenance requests?

She can set up payments to be paid on the 1st of the month and no one is driving 24/7. 

I have to think this is not his software but a white-label offering.

Generally, lenders will require you to have a substantial down payment.

though; (1) there are tenants in the house on a two year lease (payments are enough to cover mortgage payments), and (2) the Seller wants the option to buy back the property in two years.