Steps 2 & 3 would be the main contributions of a Civil Engineer who is involved. 

All of those can be seen in the thread linked below.Who is Bob Stevens AKA Bob Prisco and what's his involvement in Cleveland?

Prepaid items are comprised of property taxes and insurance and prepaid interest.Property taxes and homeowners’ insurance will depend on whether or not you have an escrow account, when you are closing, and when those items are due.

If you don't have VAs or don't have other owners involved, it might be all you need. 

If you have an integrated account and receive the inquiry from VRBO, but then book the guest off platform they double their commission rate to 10%. 

We have a couple ground up projects in the early stages and will be taking that into account when planning.

Are you looking for software to track tenants, accounts, rents, etc?

(Broker, Property Manager, RE Attorney, Accountant etc.)

You should also have a conversation with your tax accountant about your bank account setup. 

Out of the many programs I've been involved with his is one of the few  I can truly say is worth the money. he's smart and knows RE.