A hot water heater can produce a rotten egg odor when it is turned on. To determine if the odor is from the hot water heater, go the a sink closest to the water heater and fill a glass with water from the hot water faucet and a second glass from the cold water faucet and smell them.
Typical costs: 1  A cable modem costs $40-$90. For example, Circuit City, an online-only retailer, sells the standalone Motorola SURFboard SB5105 cable modem for $60. 2  Some cable modems are combination devices with routers, which create a wireless network. These devices cost $80-$200. The more expensive units allow for faster rates of transfer. Amazon, for example, sells the Motorola SURFboard SBG900 DOCSIS 2.0 cable modem and router combo for $120.
Time Warner used to provide the modems at no charge. In other words, you paid no equipment fee in addition to the monthly Internet service charge. View full size Time Warner Cable's new, $3.95 monthly modem lease fee is easy to miss among all the other fees on its bill. In October, the company informed customers â on a postcard with tiny print â that, starting the following month, it would charge $3.95 a month for use of the modems.