menu custom create help

[long sinew]

I wanted to make a menu that would be a merchant and I wanted to do it more or less like this, let's say the menu has 100 items to sell, the menu would take 5 of them every day for players to buy, these items would be exchanged every day for others that would also be In the menu, is there any way I can do this just with delexu menu or can anyone tell me how to do it with other plugins, I don't know