Few years back I did about 400 sq ft of 4x4 saltillo in the kitchen area and then about 900 sq ft of parquet using the rented electric jackhammer and spade bit from HD. Started on a Friday morning and powered through until Late saturday without a lot of breaks.
Tile, came up fairly easy, left a pretty good surface. I never noticed any gouging. Have to figure in the collection and removal when done, that ends up bring more than you think at first (at least it surprised me).
Wood Parquet. I hate the memory. We had a couple of small water leaks through time and that came up with very little effort really got your hopes up. Then you would hit a stout patch and chip and scrap and leave some backing glue and chip in to pieces. Brutal, but I was bought in. Got it all done, the pounding in your head and body lasts a couple of days. Still needed to get a laborer to prep the floor to get a lot of the backing glue off and small chips but I saved a good chunk on the demo.
If it's just tile, I think it comes up easier than you might think, just be ready for the shovel and wheelbarrow out of the house into your disposal container. Dust masks, dust will be every where. Good head phones or ear protection. Good eye protection, that stuff ricochets.
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