Welcome Kanhatiger - interesting post, but then most tilers love their cutters more than their wives.......
Anyway.
If you are going to tile professionally, then you do need a cutter that is not only capable of superbly smooth, accurate cuts, but can take a hammering and still work perfectly, and can be readily repaired (easily available spare parts) when necessary. In a nutshell, that is what makes the upper range of Rubi, Sigma and Montolit cutters so popular with us. Cheaper manual tile cutters tend to use more plastic components in place of metal (e.g. base for cutting tile on) and if they break have to be replaced (spare parts noit readily available). But if you are only going to tile your own home, then this starts to make a lot of sense. Why spend over £300 on a cutter if you can get just as good a result from one costing under £100? The same goes for wet cutters - many tile professionals now use cheap plasplugs wet cutters, because they cost less than £50, compared to over £400 for a professional metal bodied one - and if the plasplugs cheapie breaks after 2 jobs, you just cost £25 into the next job....
So I often recommend friends who want a cheap manual cutter that is reasonably robust to look at the Genesis Super Pro 600 which can be bought for under £90 and is capable of cleanly cutting 600mm porcelain. And the big bonus is that the Rubi TS cutting wheels fit this cutter and can be used to extend its capabilities for very little extra cost.
