Wine is one of the more difficult things to sell online for a number of reasons. First, there are major, serious reporting issues.
Secondly, to deal with those reporting issues you almost have to use a 3rd party company to help keep track of every applicable law on the books. For a wine a month club there are monthly sales tax reports as well, for up to 30 states!
Does that sound like a business you’d like to be involved in? For a web designer, it’s important to know some of these type of issues before taking on a project!