And if you have "given up" $20k in profit, that means you might have made $50-$80k in your own profit while getting the education. 

Books I see on Amazon seem to focus more on operations, accounting and customer service.

All of the statements he made are true.  

I made calls to banks but no luck.

I've been a carrot customer for ~4 mos and think they have great tools and a great platform.

Understanding what each tenant wanted made this process much easier

What are some mistakes  and some stuff that you wish you had known when you made your first wholesale deal, and what advice would you give to someone about to go about making their first deal ?

So not sure why they made me give them a list.

Even with a contract I think this could be made into a court battle if things go sour. 

I have made some research and find that in the area there is a very high demands of service offices and only a little supply.So the idea i got with this large office space is to make some divisions and rent small offices with minimum 6 months lease terms.