You could easily spend many thousands of dollars on a custom built cabinet with Pop Up TV Lift, but for about $500. You could spend more, depending on the ready-to-build furniture you buy, but ours was quite inexpensive. Its the ideal Home automations project
Step 1: Build the main portion of the cabinet
Our cabinet had a middle support that had to be trimmed to allow the Pop Up TV Lift and the LCD TV to fit in.