I love shellac but am feeling frustrated with the duo sets. Got both sets at the show, clients are loving scarlet letter but like with the set last year where we were left with lots of tinsel toast, I can't see us using up the dark green and the additive if we stock up on more scarlet letter, as a small business it's just not cost effective to buy several bottles of dark green and have several pots of one colour additive that last ages! We still brought extra ruby ritz last year and are getting through the tinsel toast but don't feel we will get through the green the same and the extra pots of additives would be a waste! Anyone else feel the same?