Simple question really i live in a shared house with three others. We have lots of devices in the house that are obviously all using the internet. Every now and then the net will drop for me (i'm in the top of the house, router is on the ground floor) and wont come back without resetting the router and even then will come and go. I've considered buying a repeater but not sure if signal is the issue or if the issue is too many devices. Advice?