30 min internet

This last 4 months I've struggled with the internet.goes on for 30 minutes and then no internet.then in the night there is no internet for some time.I'm running a business from home and client expect me to come back to them asap.but with lost of internet connectivity i'm not very hapoy my cellphone contrack is through the roof for internet usage.only 1 options. take the dish and reimburse me for the equipment.I'm fedup.