ADU vs RV in the backyard

[Monique Samuel]

I am in the market for a primary residence that I can house hack. I am looking for a single-family home with an ADU already built or a home with enough space in the backyard to build an ADU. My plan is to either short-term or mid-term rent the ADU. As I was analyzing the cost and time to build an ADU in my area, I thought wouldn't it be quicker and cheaper to just buy a used RV, park it in my background (if the neighborhood allows it), get a contractor to install an RV hook up, and then rent it out. What do you think? Is this a cheaper option? Are people willing to stay in an RV parked in someone's backyard for days or months?