Do you mind sharing the name of that type of loan/lender that allows you to have the seller carry on a second position?

Finding a condo that allows Airbnb/STR will be challenging, they're rare and cost more because of it. 

I have a vision of building and developing mobile home communities in upstate NY that are vertically integrated to allow future members to choose from a catalog of homes, have them installed, provide them with financing options, and make the process of selecting, buying, and living in the community very smooth.Since this is my first time doing this, I would love to chat with an experienced mobile home developer on the following items:Zoning - navigating the zoning process to allow the community to be allowedStart up costs - I am a finance person who would love to better understand start up costs - septic / electrical / water / pads / roads / etcOn Going Maint Costs - in building our business case, I want to build a conservative financial model to capture all re-occurring expenses - utilities, landscaping, capex, septic clean out, etc.I know this is a lot, but would greatly appreciate talking to someone who is an expert in this asset class!

If you allow this to continue, they will only get worse over time, and your losses will increase.I suggest you hire an attorney.

Yes the Class feature Cost a bit extra which is a bummer bet the support for it is amazing, and it is easy to allow access for Tax Accountants to pull the reports they need rather than my clients playing middleman. 

You Can Only Have 35 Non-Accredited InvestorsRule 506(b) allows an unlimited number of accredited investors but restricts you to only 35 non-accredited investors.However, there’s a catch:Non-accredited investors must be financially sophisticated.They must have enough experience to evaluate the investment risks.From the SEC:“Securities may not be sold to more than 35 non-accredited investors… [who] must meet the legal standard of having sufficient knowledge and experience in financial and business matters to be capable of evaluating the merits and risks of the prospective investment.”If you’re planning to include non-accredited investors, make sure they qualify—or you could be violating SEC rules.3.

If you are a legal property manager in your state the owner should have the unfettered ability to allow you to act as his/her agent to enforce the lease, whatever provisions they may contain plus whatever your state laws allow.

Allows rentals to be non-passive.

They will ban you and you'll never be allowed back on the platform. 

Your construction skills can give you a significant advantage, allowing you to save on rehab costs or even flip properties for capital.