The best pantry container is not the prettiest set. It is the smallest amount of structure that keeps a food category visible, protected and easy to refill.
Keep original packaging when it already works
If the package closes reliably, fits the shelf and turns over quickly, transferring it may add work without improving the system.
Use airtight containers when sealing solves a real problem
Choose sealed storage for foods whose original package repeatedly tears, spills or becomes difficult to close. Size the container around the quantity you normally buy so refills do not create a second bag beside the first container.
Use open bins for grouping
Packets, snack bars, baking supplies and backup packages often need a category boundary more than they need decanting. An open bin can make the group visible without creating another refill task.
Turntables only work when the footprint works
Use a turntable for bottles and jars when shelf depth allows it to rotate without wasting the surrounding space. Rectangular packages usually use a rectangular shelf more efficiently.