Also, you don’t need a business license just to look at properties, but if you buy a bigger property, like a multi-family unit, you might need a certificate of occupancy, depending on the local rules.For business trips, most expenses can be deductible, but if it’s part personal and part business, you can only deduct the business portion.

Depending on the seller, you may sweeten the deal, by letting them know that they don't immediately need to cash out, or can partly cash out.

This implies residential units can be built at lower costs and provide better return. 11) adding an ADU to SFH can make the SFH fall under rent control.

These properties can provide cash flow and diversification while qualifying for favorable residential loans.

You are definitely taking all the risk when buying from these sellers, especially if you only rely on the inflated ARV's etc that they provide. 

The tax treatment in such cases may vary depending on specific circumstances.

Did you underwrite if you would bring in investors (LPs) to help provide the down payment?

Have also used list source and prop stream before but the data they provide is very similar to what I pull off the tax records through CRS Tax. 

Connect with experienced investors, real estate agents, and financial advisors who can provide valuable insights and guidance.

While they can provide valuable advice, you must advocate for yourself and trust your instincts.Selling real estate—especially multi-use properties—can be full of surprises.