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.
Comcast is charging you the same amount just to rent a modem that will give you access to the Internet service youâre already paying $70 a month or so to use. For what itâs worth, Comcastâs monthly $8 modem rental fee is the highest weâve seen among major cable providers. Time Warner Cable currently charges a comparatively paltry $5 a month to lease a modem while Cox charges $7 a month for a modem and router package.