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.
A very pricey upgrade. Frontier Communicationsâ DSL modem rental fee is now as high as $6.99 a month in some of the phone companyâs service areas, $14.99 a month if you want the convenience of a wireless router built-in.Thatâs $84 and $189 a year, respectively, for equipment that cost the company a fraction of that. very pricey upgrade. Frontier Communicationsâ DSL modem rental fee is now as high as $6.99 a month in some of the phone companyâs service areas, $14.99 a month if you want the convenience of a wireless router built-in.