When purchasing tiles, order more than you need.
A few will likely crack or break during transit or while offloading, that way you have extras and proceed with your project uninterrupted.
Do not discard the broken tile bits, as they will come in handy when you need to cut tiles to fit into asymmetrical spaces.
Tiling can be easy to the point you get to DIY or complex and requires a professional tiler like GIB Tiling to help with the installation.
Detailed in the article as important pointers worth having in mind before getting started.