Addition of toilet in highset home

There seems to be a lot of investors adding bathrooms to the lower level of their highset homes.
Could anybody share some experiences and advice in doing so?
in particular the toilet, the way I see it you have an option of either cutting into the slab, or using a wall mounted unit.
 
There seems to be a lot of investors adding bathrooms to the lower level of their highset homes.
Could anybody share some experiences and advice in doing so?
in particular the toilet, the way I see it you have an option of either cutting into the slab, or using a wall mounted unit.

My experience is it depends where the outside waste is and the distance to it will determine the price for a plumber to cut up the slab and lay the line to it
 
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