Not really, i myself know that if i find good scripts that are free, i wont need to buy premium ones. You are obviously a leecher.
What i can say is a trial of a premium script for a maximum of 24 hours is good enough to justify if you should buy it.
Having good free scripts only 1) drive gold farmers 2) make more bots use the same script 3) devalue that skill dramatically because of froobs.