Many people start a contract search by asking what the contract costs or which seller to buy from. A better first question is what the contract is supposed to prevent. Name the worry in one plain sentence before you compare any plan, because a contract that answers a different worry will disappoint you even when every term is read correctly.
List the worries you actually hold
Write each worry on its own line. Typical entries are a single large repair bill arriving without warning, a house without heat or cooling for a day, a vehicle that cannot make a commute, a repair that stalls for weeks, or the time spent chasing a claim. Be specific. Each line should name what you would lose, not the appliance or vehicle that holds it.
Match each worry to what must happen
Beside each worry, write what the contract would have to do for you. A bill worry needs the contract to pay or reimburse. A comfort worry needs the contract to send a repair within a stated window. A transport worry needs a loan or a substitute. A time worry needs a named contact and a written process. A plan that does none of these for your worst line is the wrong plan, however good its paperwork looks.
Test the sentence against the terms
Write a sentence that begins with a plain case: if the item fails on a weekday, the contract should. Finish it with what you expect. Then find the terms that answer the sentence. If you cannot find them in the contract, that contract does not answer the worry, whatever the sales conversation said.
Read the registration for what it shows
A listing on a regulator's roster shows that a seller or contract appears in a record on a stated as-of date. It does not rate how well the contract will meet your worry. Read a roster for what it shows and no more, and write that down next to your list.
Order the worries by weight
Order your worries by how much each would disrupt the house or the household, then check that the contract addresses the heaviest ones in writing. Use your own order. Do not adopt the seller's.