Ranking for Ecommerce?

Hi

I wanted to get advise from some of the SEO seniors here on how to target keywords for a medium competition Ecommerce Site?

When I am purchasing for SEO packages on BHW, I noticed most ask for 1 Url with 3/5 keywords.

Should I be buying multiple packages each month to get all the keywords or should I just be targetting one keyword one month and another keyword the next month?

I just dont want it to be suspicious to the Big G. Any advice is appreciated!

Also any recommedationa on the…

Ranking for Ecommerce?