RTA ready to assemble kitchen cabinets

What is the cheapest way to get kitchen cabinets?

Cheapest way to build kitchen cabinets:

Types of ready-to-assemble (RTA) cabinets:

Stock Pre-manufactured cabinets:

Semi-Custom made Cabinets:

Custom Made Cabinets:

Frameless ready-to-assemble Cabinets:

These are cabinet boxes without a face frame, usually having European styling and are more contemporary in look.