The price I'm open to paying will depend on a number of factors. Here's a site I refer to in calculating a payment price... http://www.experienced-people.co.uk/1058-due-diligence/valuing-websites.htm. The higher the monthly net, of course, the higher the payment price...
As far as a down payment, one common method is a refundable 7 day 20-25% down. Buyer has 7 days to decline to go forward. If he moves forward, then the remainder of the agreed upon payment price is due. So, essentially if you ignore the 7 day window, it's a full cash deal for seller.
I do like to see Seller carry some paper back. That tells me Seller has confidence in the sustainability of the business because he'll suffer too if the business fails.
Basically, I'm looking to structure a deal that will work well for both Seller and Buyer. Whatever terms will do that I'm open to.
Your example of a company owned facility with a single employee in charge of shipping is an interesting one. I have been looking for a straight drop ship type arrangement (with no employees), but another party also asked about this (he's getting married, wants to sell the business to raise money for that, and then continue to work for the business after).
That starts getting into an entirely different business structure (employees, inventory, storage, etc) and so I'm not sure I want to do that at this point. On the other hand, I consider myself to have strong management skills... and if the product itself is a knockout, it could make sense. I'd certainly be open to learning more.
As for as web page programming skills, I'm easily able to work the back end of most e-store systems to introduce new product, change out old, etc. I do not have any actual programming skills, though, and don't wish to learn any. To the extent that expertise was needed, I would hire out for for that. Similarly, for employee type functions (customer service, etc). I'm hoping to build up to about 5 related product websites, and so having quality people around me to "source" these things to will be important to me. My time basically needs be spent where it makes the most sense... on managing (product lines, vendors, etc) and marketing.
Buy-A-Company, I hope the above helps and gives you a sense of what I'm looking to do. As mentioned, I'm actively looking for a suitable property(s), and so any ideas you think may fit (including the employee based possibility), I'm interested in learning more about. I have placed a self-imposed deadline on myself of the end of the month (July) to purchase so I'm very open to any and all possible solutions...