Perhaps I could help with some recommendations for other contractors to bid on the roof and foundation or even a new property manager.

Just remember anyone who has acted as your employee, attorney, accountant, investment banker or broker, or real estate agent or broker within the 2-year period ending on the date of the transfer of the first of the relinquished properties is considered your agent and is disqualified from being your QI.So definitely ask them for recommendations but they cannot act as your QI on the exchange. 

Are there tools (i.e RentRedi) that you recommend using for LTR tenant screening, rent collection, background checks, etc?

I’d recommend starting slow with one 2-4 unit using leverage and see if you even like being a landlord.

tbd Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

That cost us 3k to fix Did you work with any real estate professionals (agents, lenders, etc.) that you'd recommend to others?

I would recommend house hacking unless you had plans to move out of state.

* Finally, could you recommend any valuable tools or learning resources?

Any recommendations?

I would forgo altogether the decorative fence too. regarding the driveway & sidewalk I would recommend not adding a brick ribbon.