Quote from @Sam Yin: @Steve Vaughan when I look back at the time I did it, I was at the age of modern day Gen Zers ...

They want activities, restaurants, cafés, shops, yoga studios.

If you were going to do something cool with that floor space like make space for weights, yoga, meditation or something of that nature it could be a good use and a reason to then go with a daybed, but you'd need to know that that is something your ideal guest avatar is looking for. 

In Reno, NV having an experience at the house like a yoga room, fire pit, pool table, game room, kids play room might be more appealing.

Quote from @Sam Yin: @Nathan GesnerSet parameters early on.

.: Quote from @Sam Yin: @Henry Clark this is true...

I am based in New Zealand, What is your question, @Sovandy Yin ?

For example. 70%/30% up to $X in sales, then 75%/35% up to $Y in sales.

A family who all want a yoga retreat?

Often ADU projects have comps where they compare the ADUs to little office spaces, personal yoga studios, etc.