Okay, so sam goody was going out of business and had a big sale, so i got a cheap dj kit for 120 bucks (don't yell at me for this part. it'll be a long time until i can get a good set. i just need something to learn with right now). Anyway, my question: I'm having trouble keeping the needle in place just when I'm scrubbing. I have a sturdy table, but when i move the record, well, i can't scratch just one part because it'll keep bouncing back to the previous groove. What's to blame for this? Is it my being a beginner, the slip mat not slipping enough, the counterweight/arm height, or just the fact that i have 200 dollar turntables? i've got the arm up a little past 3 to try to keep it in the grooves more, but it doesn't seem to be helping. Or should i just get an even sturdier table? I know you can't really tell me without seeing them, but i thought maybe you could take a guess and/or give me some hints.