Sounds like you have a retail contractor.I can get a 4 unit building that is almost 5,000 sq ft completed with hardy and labor and materials for 8,000.On the roofs you have to pay attention to number of layers put on it and also hail damage,bad run routes for water drainage and flashing and caulk issues.Here is Georgia you can have a 20 year roof but because of our weather extremes the expanding and contracting will wear out the roof shingles much faster.

Grammar and the ability to communicate well are vital to any business.

National banks have so many layers of corporate policy they rarely do anything outside of the box.

If you have capital, then SEO and ads can be vital forms of passive outreach/marketing.

Our focus will be on wholesaling, rehabs and eventually adding renal properties.Obviously networking will be vital so creating relationships with others so we can start our buyers/sellers lists and get help as well as help others in the businesses.Lastly getting funding is another big issue, I have a few leads, but I am thinking hard money will be needed starting out.Hope to get to know several members and hopefully help each other in the future.

I think these questions are the most vital in determining if the house will be profitable or another expense.

However Layer A says he has went to court several times and almost  always the judge will give the owners back their land.

But that there's opportunity eveywhere to find investors or professionals in the business who need good, hungry help and where you can learn vital parts of the business.  

Networking in real estate investing is vital so don’t be daunted and go to the events!

A family friend, who is in real estate, told me that broker/mentor is a vital part to an agents career.