Everyone says porcelain tiles are very hard, but just how hard are they to cut?

Ive cut hundreds of ceramic tiles without hastles and I'm soon going to lay some porcelain tiles. I planned on using a 100mm angle grinder for the more intricate cuts and have wondered if I should buy a cheapo wet saw from Bunnies as there will be many cuts in using a 'brick-bond' laying pattern.

Thanks in advance


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