SEO for my ecommerce website

I own horse leather products selling ecommerce website. I need someone to do SEO for my website, so that it will get good amount of visitors from Search Engines. Given below are the activities i need you to do initially:-- 1) Keyword Research (Suggest me 50-100 best keywords that can give us good amount of traffic). 2) Competition Research (Check atleast 5 competitors). 3) Suggest me onpage modifications. 4) Suggest me offpage activities that will help for getting better rankings. Send me Private message and i will send you website url. If i like your plan, my budget is $500/month for SEO.