Shadow,
To become a dealer and get the good prices most good companies demand a certain product volume investment level of purchase.
In order to be a dealer and purchase things from them at a price you can make a profit from. If they are giving you prices without a minimum inventory purchase usually, they will be selling the products to everyone on sale at the same price you are buying it for.
The other thing is with a home business is the hours of business which they have been know just to show up to confirm. Also check the Fed Books and the Security of the weapons for sale.
It certainly can be done! I did it for years! But never got rich but it was a great hobby. And also, on occasion made me my best customer!

Good Luck on your new venture!
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