There were economic repercussions of the Vshop certain players would monopolize different products and be the only person making consistent income off a product. However, this made them do mass buyouts to keep a competitive price within their monopoly, allowing players to gain money off of their product being bought out. I do want to see a new shop plugin because Vshop was meh, Meepshop was bad, this current shop is terrible. My only qualm is that vshop is a region for monopolization. Perhaps you could elaborate on the ways that you'd fix Vshop to make it more respondent to the economy and have it prevent monopolies?
~ @abbythrowsstuff
If players could still undercut the monopolized item and thus make money off the other player completely buying them out, why was monopolization such a bad thing? It doesn't prevent anyone from effectively making money off the market and so it is a win/win situation.
However even though I don't think it is bad, wouldn't the simplest solution to overcome monopolization be to have a limit on the amount of items a player can have on either the entire Vshop or each individual item on the Vshop? Not only does this prevent players monopolizing items, it also prevents them from using the Vshop as a mass storage system.
