Wireless routers and other computer hardware have made it easier for companies and individuals to connect their computers to one network. Networking coupons can offer some great networking deals, but are usually only valid for a short period of time. A coupon that is valid today may be expired by tomorrow, and you could miss some great networking offers. It is important to check the coupons as sometimes the duration can differ. It may be valid until the end of the month or only available the first few days of the month.