Realize a couple of key facts: A) the prices for e-commerce software have fallen, so you don’t need to spend a fortune unless your needs are complicated, and B) many of today’s e-commerce packages include a full range of tools in one package, from an inventory management system to marketing tools. Many of today’s merchants prefer this “all-in-one” approach because it makes life simpler.
Of course, you will ‘sell’ this offer with professional sales copy, some great headlines, and maybe even some bullet points. But the general idea here is to introduce yourself to this new cold traffic visitor, let them know what you are about, let them know that you can help them, and convince them that the first step to solving their problem is to opt-in to your free offer. 
A checklist is a type of job aid used to reduce failure by compensating for potential limits of human memory and attention. It helps to ensure consistency and completeness in carrying out a task. A basic example is the "to do list". A more advanced checklist would be a schedule, which lays out tasks to be done according to time of day or other factors. A primary task in checklist is documentation of the task and auditing against the documentation.