Well I did it on my t440p and I didn't find it entirely trivial including the risk that you may brick the motherboard and that the Laptops sold over their are additionally refurbished if I understood correctly … So £130 is not too much in my opinion. Obviously it is on the high side because low volume and support for free software ·

If you have nothing else to do. Then your own time is worthless and I would agree with you. If you have family and ir a job, your time is the most valuable asset. 130 pounds seems reasonable for not having to do this one off flash procedure.