You might wish to know that Switzerland limits the total area of living-spaces-that-are-not-primary-residences to 20% of living space in every ~county, sadly with some exceptions that might allow more short-term rentals, but only if rent-controlled in some way. (Ref.: https://www.are.admin.ch/are/de/home/raumentwicklung-und-raumplanung/raumplanungsrecht/zweitwohnungen.html)