work out the kinks(усовершенствовать; If you work all the kinks out of your strategy this way, you won't have to worry about risking your money in an untried investment in the market. tarantula)
small change(" 'You ain't got anything on me,' Brody said. 'Just a couple of murders. Small change in your circle.' " – Raymond Chandler ART Vancouver)
spoil the ship for a hap'orth of tar(to spoil something big or important by refusing to spend a small amount of money or make a small amount of effort They spent millions on a wonderful architect-designed building, but they've bought really cheap furniture. It's just spoiling the ship for a hap'orth of tar. VLZ_58)
