terrible internet for sault ste marie

so for the last month and a half i have been experiencing BADD speed i have broadband 100 every test i get 2.5 down and 2.5 upload some times 3.5 upload called a techhad anappointment but they canclledsaying it was being flooded and there looking for the problem, well its been taking forever with the ammount of money this company gets why is it so hard to fix ? anyone experiencing it or got a fix ?