If you're running plumbing, electrical, HVAC out there it's different than if you're just putting up drywall.

But any plumbing or electrical I don’t know what’s code 

This is pretty much how banks do things too - the idea is that not only do you have to afford your rent - but also your electric, your food, your car, your insurance, your gas, internet, etc.  

I would need to add plumbing for the kitchenette sink and electrical for appliances but I'm not sure if my breaker has enough room for another 240v for the stove. 

It's definitely much more challenging to have the house inspected with all of their stuff around, but they should be able to still look at the main things (foundation, HVAC, electrical panel, hotwater heater, roof, etc.). 

The roof, HVAC, plumbing and electrical are done. 

We both have some home repair skills, but would likely need to hire out larger work such as electrical, plumbing, roofing, siding, etc.Thanks for the help!

Additionally, the federal ITC allows you to deduct a percentage of the cost of installing a solar energy system from your federal taxes.Long-Term Savings: Solar energy can lead to substantial long-term savings on electricity bills.

I moved in with no heat, no water, and a very poor electrical situation but by this time i was working for my mentors construction company and had an abundance of resources at my disposal.

Water bills are up 50% to 100%, electric bills are up 33% and gas bills are up 30%, and of course tax bills are up and new bills for new items are created.