links management

I'm still pretty new to this but I signed up for linksmanagement dot com and am unsure as to whether or not they offer quality links? Some of the ones I have bought look like bad PBN's, but has anyone else had experience with them? Or would I be better off buying from a different source? I...

Ive signed up with Links Management a while ago via a thread recommendation on BHW ( didnt save the thread so not sure of the page) Ive created an account and added credits to receive some links and these links set my site back over 20 positions.. they were posting on low value sites and spammy...