The world of online sales, whether of products or services, can be daunting at first; the options seem confusing and the information conflicted. Yet as the designer or developer of an online store, you will need to guide your client through the maze of choices in order to get it up and running.
I have developed many e-commerce websites during my career as a Web developer. I've used and modified off-the-shelf software and have also developed custom solutions — so I know from experience that there are a number of important questions to answer before presenting possible solutions to a client. Getting all the pertinent information up front is vital if such a project is to run smoothly, and it can save you from delays during the process. It can also help you advise the client on whether they need a full custom cart or an open-source or off-the-shelf product.
This article responds to some questions you should be asking of your client before putting together a proposal for the development of an e-commerce website. I'll explain the most important things to think about in terms of taking payments and credit card security. It should give you enough information to be able to guide your client and to look up more detailed information about the aspects that apply to your particular situation.