How about if you bought some cheap or second's tiles and practise on a sheet of small plasterboard or plywood with a batten on the bottom to start you off and see if you're confident.
As with anything in life, you never know till you try, and quite often you are surprised by the results. It depends how much tiling you have to do but it is not as difficult as you think if you take your time, plan it and get the tools you need. It would be useful to read a book or get some of the leaflets from the diy sheds.
Masonas idea is a good one. If you want a more detailed giude on how to do it, reply back and im sure we will all be able to help, but give us an idea of what tiles you are using, where they are going and and on what background
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