Purchasing directly from the electronics manufacturer get you the lowest discounted rates. Keep in mind, though, the responsibility of storing all the merchandise and any surplus from lack of sales is yours and yours alone. You will have to get rid of the excess on your own.
The next best option to sourcing directly from a manufacturer is to find an authorized distributor or wholesaler that deals directly with the electronics manufacturer. This option will offer a wide array of electronics but they will charge a little more than the manufacturer. The benefit to you as a smaller business owner is the advantage of buying a less significant amount of merchandise yet still at a discounted rate than retail prices.
Distributors and wholesalers usually offer a greater assortment of items and various pricing ladder for your convenience. By using a wholesaler or distributor the opportunity to sample many different items is a practical way to observe which items sells the best and at the same time as minimizing the risk of get stuck with a huge surplus that do not sell very well cutting into any profits you might have had potentially.
Another source to investigate are drop shippers for electronics, which has its own pro, and cons. While drop shippers get rid of the necessity for storage room, packaging, and shipping transportation, they do cost a higher fee for the service of convenience and flexibility. Although the potential for cost saving is likely as you will save money on expenses such as storing the goods, it is a sure bet that you will save time that could otherwise be focused on expanding and growing your business.
Drop shippers also may be limited in the electronic selection that you can sell on the downside yet the trade off is something that you will have to evaluate depending on your personal situation.