Examples are:- Turnkey Rental Properties- Crowdfunding Platforms (some such as Fundrise allow non-accredited investors and low investment minimums.)- Public or Private REITs- Notes (not completely passive) or Note Funds- JV InvestingI began as a passive investor.

You can also use DSTs as a business investment as in let’s say institutional investing for accredited investors.

You’ll fill out your name, mailing address, contact information, investment amount, how you’re investing (either as an individual or as an LLC or other entity like a retirement account), then verify if you’re an accredited investor or not.

Private Markets: Private Placement Memorandum (PPM)On the other hand, private investments involve companies offering opportunities to a select group of accredited investors through a Private Placement Memorandum (PPM).

. ● Private Markets: Private Placement Memorandum (PPM)On the other hand, private investments involve companies offering opportunities to a select group of accredited investors through a Private Placement Memorandum (PPM).

It's been mentioned a time or two on here, but another option you don't list and that may be helpful for higher earning W-2 folks (or accredited investors) is to invest in oil and gas. 

In particular, I’m looking for crowdfunding platforms that allow non-accredited investors.

Are they all accredited investors? 

I also am a lender for Active Duty Passive Income and they have a Reg A fund, which means it is a syndication for large property purchase that you do not have to be an accredited investor and can be publicly advertised.   

Not to mention, if there are a few members of the active investors LLC, the members of that LLC may want to hold their interests in LLCs.If you are structuring the deal as a syndication there can be limits to the number and type of investors who can participate - there are two types: 1) 506b syndications allow an unlimited number of accredited investors and up to 35 non-accredited investors - you cannot market or advertise it, only people who you have personal relationships with can participate. 2) 506c syndications allow an unlimited number of accredited investors only, and you can market/advertise it Depending on the size of the deals you are working on, it might make more sense for you to structure it as a partnership or JV because securities attorneys fees can be very expensive, but either way, I would 100% recommend your first step be to consult an attorney!