Also client is not responding to phone calls/emails.In the mean time, what else can I do to remedy the situation?

It's better to invest into insulation and possibly a new HVAC system than solar.How do you survive using just a flip-phone and not a smart phone?

My wife was on the phone with a potential tenant as she was arriving at the building to view the unit.

Just frustrating since I was not there and didn't agree to that term and if I saw it would have canceled the closing, and I think the loan officer could have assumed as much since much of our phone conversations surrounded investing and rentals. 

I understand a fixer-upper would require a lot more work in accurately determining repair costs, finding good contractors, etc., but I think the learning experience would help set me up better for future deals.

@Melissa Thompson I've never heard of this company but you should be able to verify wiring instructions over the phone and I'd never wire money to a different entity than the one on the contract, or anyone who I can't verify several different ways.

Create a list (you can download a csv from your phone) of ALL of your contacts.2.

There are also some exceptions to convince the underwriters to use leases if there were major repairs for that house/unit proving that the schedule E numbers are not showing the full potential return, then you would be able to use the leases as an exception. 

Sellers generously accepted because they know some things need repair.

Keep it straightforward at first, but know that experience is the best teacher—mistakes are part of the process and will help you learn.For ARV (After Repair Value), start by running comps (comparable sales) on recently sold properties in the area that are similar in size, style, and condition to your planned rehab.