You need to work on benefits, the "what's in for me" syndrome. If your web site is full with sales pitches or just pictures and "click here" to buy.
You don't get great results because their are thousands of websites like yours online who are all claiming the same! It's all about targeted key phrases placing in that way it makes sense for the reader, guide the reader carefully to your "buying" page but don't push because you visitors still like to compare prices among others who also selling the same as you do. There is no way about spamming key phrases in you web site. Ask yourself, how would you feel if the same key phrase appears every 10 words? Yes boring, so you click away from that web site right? So visitors also do. Therefore JNB Web Promotion will help you with professional copywriting to reach your target audience.