Correctly installed is the key. This outline for how to lay cement board base under your tile floor is from a 2002 issue of ...

Seeking tips for the perfect tile floor installation is only ... is free of cracks and level before installing tiles. Fill any cracks with a concrete sealant, which you'll apply like caulk ...

Yes, you can lay engineered-wood or laminate flooring over tile if the tile is in decent ... At no time would I ever dig into the concrete slab below; there is no need. There are scraper blades ...