Lots of activity here. 

Requiring a real estate license can potentially be a “trap” for wholesaling, as real estate licensees may in in violation of their code of conduct by way of their wholesaling activities.  

As for entities, I use one entity for active business (flipping and building) and others for holding rentals.

You can check their insurance coverage, any active lawsuits they have, their workers comp rate (how safe they are on the job site), and other metrics.

My husband is active duty military.

BNBCalc partners with several data providers for short-term rental revenue estimates (Airdna), comparable properties (Airbtics), long-term rentals, tax information, and property information.Our comparable properties provider airbtics provides "revenue potential" estimates which it defines and calculates as the following:Revenue Potential is the revenue that the listing could have earned if it was active every day for the past 12 months.Formula:Revenue Potential: = (Revenue / Days available) * 365 Example: ($33,500 / 304)*365 = $40,222You can find more info about their data on their FAQ!

Linden is seeing a large amount of investment activity within residential 1-4 unit properties and newly developed facilities, which were ignited by the ONE Linden Plan.

There's always drama with drug addicts and alcoholics, in addition to the stress of group living.

@Andrew Freed, You don't have any issues from a tax perspective with bringing passive and active income under the same entity? 

Seems like house hacking would be a little too stressful even if I found a place with an ADU already ready to go.