If you really want to eat a fruitarian diet and you live outside of a tropical environment where fruit grows year round, then you'll have to learn to shop at wholesalers.
Unless you are really wealthy, shopping at supermarkets will be a huge financial strain on your diet. 
For a lot of new people trying a fruitarian diet, the greatest long term issue that they will be faced with is finding affordable fruit.
Shopping at wholesalers is fun, fresh and economical -- check out how I shop for my produce!