Apart from the obvious fact that economically it’s way more interest to be in France, if your plan is to stay in the region temporarily, I think it makes sense.
All other living costs are also lower, seems like a no-brainer from numbers perspective.
Personally I plan to stick around, so, some kind of sense of belonging is important plus not really great fan of FR politics.
Wouldn’t move to Gaillard/Annemasse if rent was for free, but that is me.
But I understand people that move, RE is stupidly expensive, and there are few real advantages of living here from a finance perspective.
The Lamal costs seem like a gift from GVA for cross-borders, don’t understand why they don’t get diluted with the rest of the resident population if they have the same benefits.