In these instances, you'd have to check things like flooring, plumbing for leaks, roof for leaks, hot water heater, and heating and air conditioning units. 

Both are seasonal markets due to the heat.

Heat and moisture gets trapped under the house and the heat wants to rise but the LVP creates a vaporlock, thus inhibiting the mold growth. 

What about heating/cooling?

New windows and doors, new kitchen, updated bathroom, new HVAC, new flooring and paint and finished the attic with flooring and heating/cooling.

Currently the heat/ac situation is electric baseboard heat and window ac units that my realtor is insistent should be taken out and I should have mini splits or a furnace added instead.

New windows and doors, new kitchen, updated bathroom, new HVAC, new flooring and paint and finished the attic with flooring and heating/cooling.

Another one to watch out for is Industrial Heat, LLC which is based out of RaleighThey may release some game-changing technology soonTheir manufacturing may be in China though

Pick your heat right other peoples money or Hard Money lenders there's pros and cons on using each.

In my area it is common for landlords to pay for heat which promotes a lot of abuse with the system in that tenants keep the heat at unreasonably high temperatures and often open the windows in the dead of winter when it can be -20 out.