You need to be mindful of the articles as well, and tailor them to you and your business partner(s) - for example, what if your partner wants to sell some of his "shares" to a third party? 

Does anyone know if there are crowdfunding sites specifically tailored to land development ? 

If you end up going with a big bank that primarily tailors to conventional consumer loans... you'll get buried in bureaucracy and it will slow down your deal; but, to reiterate the key point - don't head into the relationship expecting the bank to act like something they're not. 

Plus the entity structure you choose will tailor to your goals and strategies. 

On top of that, you cannot readily acquire lists of owners in "distress", so your methods would need to be tailored a little to fit the market.

These online or college courses are not really tailored toward the specifics. 

Plenty of samples online; tailor to your transaction.

The obvious key to a successful Series LLC is a comprehensive and detailed Operating Agreement and ancillary documents that are carefully tailored to the specifics of the deal.

In the education section there are many great book suggestions that are specifically tailored to flipping so check those out.  

I don't believe they are vetted by BP in any way, and you'll have to tailor it to your state's laws.