To be really contraversial! The solar sod pod. I bought one (fortuntaly, secondhand) believing all the hype of it being the dig's whotsits. Used it once and sold it!
Unstable, heavy, imppssible to get straight uneven ground. Ugh! Overblown, overhyped, overpriced.
Sorry, Martin, you make some fantastic stuff, but i have no idea why this product has proved so popular. Marketing over function, I suspect.