There are tons of great tools to build your website, grow your email list or send out newsletters. I have tested a number of services and the ones I like, the services we use every day are listed below. To be the most forthcoming the links below are affiliate links, but we still promote them because they are the best for us.
Ecwid E-commerce Platform
Ecwid E-commerce Shopping Cart is Fast and Easy to Use! Set up an Online Store for SquareSpace, Drupal, WIX, Facebook and Much More! The truly best part is that Ecwid syncs with your Clover Point-of-Sale inventory, so you seamlessly launch an online store without managining two separate inventory lists.
AWeber Email Services
As soon as your website is live, in the same day you are going to start wishing you had built an email list. Email marketing is the most cost efficient way to communicate with your followers. There are free services but if you want to get more serious than a free services start with AWeber, their automation tools and opt-in forms are perfect for growing businesses.