Paint protection is much known called CLEAR COAT. Paint sealer isn't that good unless your car is freshly painted. Wax protects your current paint and clear coat from dirt, road salt and prevents rust.
So I would stay away from spending that much on paint sealer because it won't hold up as well as wax.. unless your car has JUST been painted.
*bokpogi.. You have just been victimized by snake marketer. Clear coat is a coating applied over automotive painted surfaces from the manufacturer to protect from the harmful UV rays & give the paint the long lasting shine. Wax is an smart move to protect the clearcoat..
