They want the easy, short road to building a company and someone has to pay for that short cut.  

As noted, if your options are Reg D, private offering vs fully registered public offering, even if you are talking Pink Sheet (OTC) stocks, you have public filing costs, annual audit requirements, and likely more on-going expenses that have to be covered by the property(s) owned by the offering.  

I'm gonna be blunt @Marcos De la CruzDo you know anything about stock market and that arena of things? 

I provide short term rental furnishing and renovation finish list that includes paint colors, light fixtures, cabinets etc.

I'm considering adding this product for my short-term rental (STR) as well, but I plan to go directly to Waivo since I've already had a consultation with them.

Owning a duplex at 20 is a huge accomplishment, and it’s inspiring to see you’re already planning your next move.From my perspective, real estate investing is a long-term game focused on building equity, paying down debt, and maintaining stability over chasing short-term cash flow.

Partnering: If you're initially short on funds or experience, consider partnering with someone who has more experience or capital.

For instance, properties with an accessory dwelling unit (ADU) on the lot that can be implemented as a long-term or short-term rental can perform exceptionally well.

Also, 18 months is too short a period of time to obtain a truly significant result.  

Tourism keeps short-term rentals booked, while long-term rentals offer solid returns at a lower price point with steady demand.