I usually buy Primark cheapies but they're awful really. I'm a chubby 16 with short legs so they're either way too long or they dig in.
I'm balling at paying £20 odd quid for 3 pairs of tights though!
If you've found this page in search of tights that have been tried and tested by fellow Mumsnet users, you might find our guide to the best tights useful. Hope this helps! MNHQ