There are various benefits for getting travel insurance for domestic use and they include:

Receiving medical treatment no matter where your destination is. Some insurance covers restrict the network of medical facilities and doctors that you can see, but with the local travel cover, you will be able to receive medical attention from doctors around your destination.

Incase your trip is cancelled, you can be sure that you will get your money back. A vacation can be cancelled by a company for several reasons; they will refund you your money in some cases. You can also get your money if a flight was cancelled from the airport flights.

In case your luggage is stolen delayed or damaged, at least you will have money for replacement.

Another benefit of having is that they will always make plans for you in case you have problems and thus make your vacation stress free and memorable.