Toys go over big at any time. Dolls and stuffed toys. Make a hit with the kiddies and they, in turn, will finally persuade their mothers to buy something. Have a large quantity of items to sell, a big variety. You'll find the money in your pocket is better than all the clutter in the house.
Homemade items are very popular.
If someone in your household sews, then sew up aprons, doll clothes, dolls, stuffed toys from scraps of material lying around. Fresh produce such as tomatoes, green beans, corn, fruits, etc. will also sell, if you should have a garden overflowing. String up a clothesline to display any clothing you may have. Remember, clothing for all ages, men or women, is always in great demand. Children's clothing goes over best and especially about the time for school to start in the fall.