An estimate for electrical work should include an estimated number and an estimated price to complete the work. An electrical estimate should also include a description of the services to be provided as well as the materials to be used, such as wiring, switches, panels, or other items, and the cost for those materials. If any tax is charged, that should appear on the estimate, too. Some estimates may include additional options that can be added to the base price of the quoted job if the customer chooses to go ahead with the add-ons.

If you’re outlet isn’t working but the breaker isn’t tripped , that could mean a number of things. First, check if it’s a GFCI outlet, which has added protection so your breakers don’t malfunction. If that’s the case, simply hit the outlet's reset button and see if it works. If it doesn’t, or you don’t have a GFCI outlet, you might have a loose outlet or loose wiring, a damaged breaker, or an overloaded circuit, which would require a dedicated breaker. It’s best to consult with an electrician to diagnose the problem accurately.

If you strictly adhere to electrical safety rules, including assuming that a circuit is hot until proven otherwise, and have some knowledge of how an electrical circuit works, you can likely replace a light switch by yourself without too much trouble. However, it's always advisable to call a nearby electrical pro to do the job if you're unsure of any steps necessary to change a light switch. 

Outlets do wear out, usually within 15-25 years, but they can fail even sooner than that —sometimes in a matter of years. If your plugs always slide out after you put them in, this is a sign your outlets need to be replaced. Additionally, if your outlets are damaged, cracked, discolored, or regularly tripping the circuit breaker, they may be at the end of their life.