M?t sales funnel b?t ??u v?i m?t s? l??ng l?n khách hàng ti?m n?ng, n?m ? trên cùng c?a ph?u.An economical sales funnel can be quite valuable on your business and make it easier to realize your sales ambitions. Here are a few of the main Added benefits that I can imagine. Allows you to disregard sales opportunities that would not have worth to