If you are talking recent Titan class ones, not sure they are available as a set but probably still 200 each if not more. Personally, I would rank their transformation difficulty 0. Not even hard enough to give them a 1.
You should be looking to youtube for reviews that show the transformation.
This aint America. Different markets, stores, wages, currency.... go to BBTS as a starting price, they have these in stock, and start your shopping from there for comparative pricing which may includes ship costs.
Onus is on you to find the best pricing in your county, online or local.
If you are talking recent Titan class ones, not sure they are available as a set but probably still 200 each if not more. Personally, I would rank their transformation difficulty 0. Not even hard enough to give them a 1.
I'm never gonna shell out that kinda money for Rampmaster or any Transformer, but how hard is G1 Jetfire? Also, are there any Transformers that aren't connected to G1 in some way? Even Rack 'n' Ruin is because that one used to be two different Transformers back in the G1 adventures.
... Whether it be toy related, about any show/movie and a plethora of character bios. 
