I will also add that if you do not have some funds to begin with, it will certainly add difficulty, and may be a reason to follow the advice to start small. 

Premiums reasonable and had a roof claim paid out without a ton of difficulty.

Sometimes life is a beeatch and you gotta move.3) But you didn't say you were building short term rentals/ You specifically used the term 'luxury builds'4) Yes, large entities may have difficulty buying as much property as they like, but I assumed we were talking about regular folks like you and me?

I've rarely found myself adverse to challenges and difficulties.

complicated and I am having difficulty understand it.I want to know what developers do to find out what they can (and cannot) build on a land.

someone mentioned a "mountain tax" in one of the threadsCleaners: How difficult is it to find a reliable and good cleaner?

If you are searching for a relatively turn key buy/hold you may experience some difficulty finding tenants for them with snow on the ground for obvious reasons.However, if you speak to a contractor, his subs are likely not busy at work and they will be happy to get the business for a rehab in what is traditionally a slower season for them as well.  

I'm having difficulty finding this information. 

I see the same difficulties in finding cash flowing properties in NYC. 

One of the difficulties is that most of the sponsors want the investor to reach out and make the first documented contact as an inquiry and then schedule an introductory call.