Again, the BiggerPockets store has some books for this or you can learn by watching podcasts, reading blogs, and interacting on the forum.

We structure the low-to-no money-down element with the seller financing the lot we will build on.

Ps: Here's a link to a success story about how interacting properly with others can be beneficial. https://www.biggerpockets.com/forums/223/topics/282752-from-0-to-1-000-posts---how-contributing-to-bp-breeds-success

If Yes: Depreciate, If NO: if it a structural element or increase the life of structural elements?

Just interacting here is a good practice and will definitely help you to move your investing career forward.

Our clients primarily use Interactive Brokers for the competitive rates and not having to allocate anything to any security or financial instrument.  

Again, the BiggerPockets store has some books for this or you can learn by watching podcasts, reading blogs, and interacting on the forum.

There is no single other element that gives investors a worse reputation that illegal, obnoxious, trespassing, litter, graffiti bandit signs!

I'm still a newbie as well and have found out that the more I interact on here the more I learn.

Selectivity will continue to remain among the top elements of my business model moving forward.