Outsource your sales force? Why not? You already outsource your legal and accounting work, and you may also outsource bookkeeping, human resources and other vital elements of your business. And the reason to outsource your sales force is the same as the reason to outsource those other functions — it’s a cost-effective way to leverage expertise that you could not afford on a full-time basis. Manufacturers’ representatives (also called manufacturers’ agents) are not just experts on your product; they also are experts in their local market area. And, unlike a direct employee who may be looking …