It really depends on the size. There’s home grows all over the place nobody ever smells because tents and negative pressure and activated charcoal filters work. I’ve grown in my house in a very illegal state and felt fine having ac techs come and work right outside that room while flowering.
I do omad too and have lost 50 lbs this year and am closing in on my goal weight but have 0 desire to stop omad. I’ll just eat a bigger meal to start maintaining. Nothing really to add other than it’s easy and works.