PUTRID ISP

this ISP service is REAL BED on all levels. at any given time service gets interrupted, slow speeds where they promise high speeds. two days ago my service was stopped after the power went and i noticed when power resumes that my account was in the negative. so i decided to top up the account but that did not work even seeing that my daytime balance reflected positive but was deducted by the negative amount. i then call in to find out what is happening with the service, I asked them before to set the OUT OF DATA BUNDLE to zero to prevent negative account they response was they cant (BS ALL OTHER ISP CAN DO IT) ,I the decide to cancel the account even this is was pain to do all this took me about 3.5 hours to do, they send that they send that they cant cancel on their end and that I should email them WHAT A JOKE.