Is there a company that offers an alternative independent of a specific platform? 

I am a new investor and was really hung up about which platform to choose that would offer the most bang for my buck before I start seeing returns.

Quote from @Anne Christensen: I'm just starting my real estate adventure, but I do rent my basement on my primary home. 

The rule is based on if it's "within the primary dwelling unit" of the taxpayer or not. 

However, we will likely need a property manager to assist with some facets of running this rental (since we would not live locally) and would primarily market it through platforms such as Airbnb and VRBO to start, (eventually setting up a direct booking process).Here's our question for those who have experience in STR's or who might be involved in a similar scenario: How challenging is it to meet the material participation hours needed to achieve active status?

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

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

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. 

Voice AI calling is just once piece of a great AI appointment setting platform.

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.