I’ve had a few supports breaking as the point size was too small but that’s about it. No serious problems really… Except for that one time when I tried printing full platform size(a cube of 140x140mm). The printer jammed and it took some effort to get the platform from the tank.
Snap fits on flexible resin won’t work. It’s way too flexible(less than rubber band but too flexible to snap). Try durable.
The lower the cross section for each layer, the lower the force to peel the layer off the tank bottom. The bigger the layer cross section, the higher the force. This force will act on your part and your supports. So you can get away with smaller supports and better print results if you keep it as small as possible.