i have never tiled a floor before but will give it a try soon
i have read a few guides & it seems fairly straightforward plus i dont have the dosh to pay somone!
my only concern is if i make a mess of it can i remove the tiles after? or will this take off the concrete underneath after the adhesive hardening

If you bedded the tiles properly in the adhesive, it will become very hard to take them off

Yes everything is possible, but you probably have to crush the tile and then chissel the adhesive of the concrete.

But tyling is not a redo thing.

if its done, its done

Mate, everything 'seems' easy, but if you cock it up - and I promise you, lots of people who think it's easy cock it up - it's going to look like a pile of cack. Then you've got the time and expense of getting them up again, prepping the floor again, and probably paying someone to come and do it properly. It aint rocket science but it also aint as easy as 'seems straightforward'.

is this a wind up??? either tile it with confidence, or pay someone to tile the floor professionally

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Natural stone specialists mosaic, porcelain and ceramics

Is this 'catch phrase'...............say it as you see it ha ha ha