It isn't that expensive & it resets everyday. You can upgrade. Also it is unlimited for 1AM-5AM CST.
Hmm, at least I don't got to worry and download as much as I like. Average 100-300GB a month
But speed isn't so great.
Go into safe mode and uninstall the drivers then run driver sweeper. Once that is done reboot into normal mode and installed the drivers that you want. It should fix some of the software related bugs at least.