Of course, this information can vary by the exact city or area, considers different factors which may be minor, statistics can be interpreted differently, etc. 

The pain points and systems needed have varied based primarily on the asset type. 

Usually about a 20 degree difference from ambient is the best any system can accomplish.

Use varies throughout the year.

Most states don't require a highschool or college degree - which is the allure to RE for people without much experience or credentials. 

Use varies throughout the year.

Everyone is giving great yet varied answers because there's so much opportunity in real estate.

If you put 5% down and get a mortgage rate around 7.25%, taxes at $4,500, mortgage insurance of say $120/mo(mortgage insurance/PMI, if you don't put 20% down, this cost can vary based on your credit score and actual $ down payment) and homeowners insurance of $100/mo, that gets you a payment around $1,900.

Depending on your township's/HOA's policies on getting your permit my recommendation for when you should get your permit varies.

@David Lund- you are  welcome -   fyi -  within the  conventional loan idea - there are  2  angles  that can  be used ..one is called  the  FANNIE  MAE   (  fnma ) and the  other is  callled the  FEDDIE MAC ( FHLMC )   approach .....they can  vary  slightly  so make sure to ask the lender   to check out both   avenues - good luck