All of you close to Berlin, visit the Boot&Fun Inwater in Werder(Havel) and you can see our newest sifly Rider Eco efoil which is only 4999€+tax. This new price level could be an alternative to DIY 
From 26-27.8.2023 you have the chance to compare to other brands like waydoo or aerofoils too… So get in the car and visit www.boot-berlin.de/de/inwater