How much would you expect to pay or want to pay for R-net gear?
Some ebay prices.
CJSM2 Joystick £275.
https://www.ebay.co.uk/itm/Brand-new-R- ... SwPNBdPICf
120Amp Rnet controller? There is none on ebay UK but there is one from the US that works out about £200
Or a UK 90Amp for £40
https://www.ebay.co.uk/itm/Rnet-power-m ... SwhfRcPiXk
R-net ISM-6 Seat and lighting module D50927.02 £80
https://www.ebay.co.uk/itm/Seat-and-lig ... 4244235776