Unless you eat a lot of pasta, most regular dinners can be made GF easily. Use Sweet rice flour when making a roux for gravy, cheese sauce or cream soups.
Thai food for the most part in GF as is most Indian food, if you are looking for dining out options.
GF products are expensive, because the flours cost wholesale 3-5 times more than regular flour. A bakery has to be completely GF to be safe for celiacs, you cannot just bake one day, as the regular flour gets everywhere. (I work in a commercial bakery and have found flour in the strangest places.