If they don't open their doors on time you can get rowdy. College students moving out of their apartments for the summer may not have what you want. You never know what you will find. Then you can quickly size up the sale and move on if it's not for you. The wicker was at least twice their combined ages.
Prices are usually low and reasonable at yard sales.
There's not too much room to bargain, but if you think there is, go ahead and ask for a better price. I paid a considerably higher price. Another great buying venue is the flea market. And in those days, there were fleas flying around the old and odd pieces of furniture in the European markets. It helps to know what you are looking for.