Prices for what? Gas?
(in the US) I believe that all states require service stations to publicly post the selling price of their fuel.
For other items for sale in the "convenience" area, this may be regulated by your state's statutes.
stores at a gas station
Road maps are fairly easy to find and use. If you want to buy one online amazon has a good selection with cheaper prices than you'll usually see at a gas station, convenience store, or drug store.
your nearest convenience store or corner gas station, most any retail store
Any home improvement or convenience store, even a gas station.
The legal age to sell, buy or serve beer in most states is 21.
for family fued: bank, grocery store, gas station, convenience store, bar, casino, resteraunt
gas station restaurant grocery store dept store hotel
Tom's Convenience Store was created in 1929.
You can definitely find one on the internet, download a phone app if you have a smart phone, or just buy one at a gas station, corner store, grocery store or convenience store or something.
Family feud answers: Hospital Gas Station Dept/Grocery Store Fast Food Joint Place of worship Convenience Mart Police Station
It really depends on where you buy it. Check your area's nearest convenience store, and ask to compare prices.
A corner store is often a small convenience store in an urban enviroment. (Often on the corner of an intersection. In suburbs these stores are often part of a shopping center or a gas station.