I have reviewed all three websites and will provide better layout and better functionality in your project.
I would suggest to go with woocommerce with wordpress.
I have 6 Years of Experience in Web Development using PHP, Mysql, Wordpress, Bootstrap, HTML-5, CSS-3, Jquery and may more technologies.
--> I can start working on this project right away and will finish within 10 days. Below are the points which will cover up in your project.
--> Freeze Scope of Work
--> Create Concept design of website (Unlimited Revision in Design).
--> Once you approve design implement design in wordpress.
--> Woocommerce for online store
--> Paypal Payment Gateway Integration.
--> Revolution Slider for Slider
--> Gravity Form for Contact forms and newsletter etc..
--> Make website responsive using Bootstrap.
--> Add Meta tag, Meta Keyword, Description.
--> Cross Browser Testing on ipad, iphone, etc.
--> Make web site Live.
--> 1 month Support once site will be Live.
Please let me know your suitable time for detail discussion. Looking forward your positive response.
Thanks