I find their platform very user friendly and for those that have no clue about how to pick stocks, funds, ETF's, etc., Wealthfront is a great robo advisor.

Yes, I am looking for an online platform to begin self-managing too.

Which platform offers fresher data for wholesalers propstream or property radar.

My top priority is having maximum flexibility with what I can invest in within my HSA, second priority is ease of use and convenience of the investing platform, third is minimizing any account, trading, or management fees charged by the HSA provider. 

A great alternative would be simply licensing or leveraging a different web forum platform that already has a mature mobile app available for and that BiggerPockets could simply redirect mobile users to when they open the site.

If you're worried about finding tenants, focus on a location with strong rental demand, list rooms on platforms like Facebook Marketplace or Furnished Finder, and consider mid-term or short-term rentals if long-term tenants are hard to find.Good luck!

Platforms like Angi or a quick Google search can also help you find reliable options.

Do you know of any websites or platforms where I could go to analyze and practice seller finance and creative finance deals?

Crowdfunding platforms tailored to hospitality investments might be another avenue to explore.

What's left is simply $ to close (HML easily solves that) getting the vendors to do the "simple stuff" (pick your platform; Angie, Neighborly etc etc) and than to sell it (more agents than one can count happy to list).