Request - disable option for auto-closing of windows

Nothing is more annoying to me than having the MB item-pane I want to buy multiple listings of continuously close down (better yet, let us checkbox multiple listings & have a 'buy all' option).

Or how my inventory keeps closing every time I submit for Expert Delivery.

Or when I want to meld multiple materia's into the same piece of equipment, but I have to keep scrolling down to find the item over & over & over again.

The option to disable auto-closing of windows, as well as the option to remember certain selections (e.g. meld-object) would be very nice.

This. So much this. Or let us checkbox multiple transactions at once.