Are you asking if you can or should trade some holiday for more pay? Within whatever the legal bounds are, if any, I don't see why not. Note that local rules

Are you asking if you can or should trade some holiday for more pay? Within whatever the legal bounds are, if any, I don't see why not. Note that local rules may require some minimum holiday, and some regulated professions (such as banking) may require time fully away from work to make hiding bad things harder!