A large majority of states have part-time real estate commissions with extensive participation by practicing real estate brokers.

He has written extensively on both topics gratis as well.

You can also agree (both parties, of course) that under certain circumstances (which you define) you can have an extension of so many days.  

The only way your should do this as a rehab/hold is if you partner with an investor who is very experienced with extensive rehab projects. 

Our extensive research process resulted in a significant pay off this week.

I haven't used the site for any extensive work, but I have a rental that is across the country from me, and I have used it to hire flooring, painting, and landscapers before with out issue.You post what the scope of the project is (which can be pretty much anything around a house), and contractors/businesses will submit bids (or ask more questions in order to submit a bid).

I purchased a house 18 months ago and did an extensive rehab on the interior of the house but not the exterior. 

So they are asking me to sign an extension.

I've used his report extensively on SFRs in the past, even those purchased "as is".  

As an extension of that, you can actually roll your current Roth 401k into a Roth IRA at no cost and without tax penalty, then contribute your $5500 max per year to the IRA.