A service contract question is worth asking only when something you depend on could fail and leave you with no way to do its job. Before reading any offer, find that item. Most households have one or two. The test is not how expensive the item is. The test is what happens in the week it stops.
Write the list
List every vehicle, appliance, and system in the home that has a service contract offer, a warranty expiry, or a repair worry attached. For each item, write four things: whether you use it every day, whether anything else can take its place, how long a repair would keep it out of use, and who would carry out the fix. Keep the list in plain words. You are not valuing the item, only mapping where a failure would hurt.
Signs you have an exposure
An exposure is present when at least one of these is true. The item is needed to get to work or to keep the house livable. There is no second vehicle, second cooler, or second water source. A repair would take long enough that you would need a stand-in. The repair bill would fall due at a bad time for you, such as in the middle of a cold season or a school term. None of these proves a contract is the right answer. They only show that the question is real.
What to check before the offer
Once you have named an exposure, read the offer for these points: what the paper says it covers in general terms, when coverage begins after you pay, whether there is a waiting period, and what it says about rental or substitute transport during a repair. Ask whether the contract offers a replacement route if a repair cannot be completed. Ask who decides that a repair is needed. Each answer shows whether the contract answers your exposure or only sounds like it does.
What not to do
Do not buy because the offer sounds urgent. An exposure you have written down gives you a fair test against any contract. A contract that does not answer the exposure is the wrong tool for it, whatever its cover page says.
Where the state rules fit
The rules on who regulates vehicle and home service contracts differ from state to state. The state pages on this site name the regulator and the statute or program where a state has one. Read the page for your state before you compare offers, and use its roster as a list to check the seller against, not as a rating of any company.