what is bank interest these days though. it is a nice theory, but I think my Natwest isa rate is now 0.01% (but tax tree!!!)
as for successful businesses giving things away, well printer manufacturers and razor manufacturers do ok with providing heavily discounted and loss leading products to make money on the consumables
as for successful businesses giving things away, well printer manufacturers and razor manufacturers do ok with providing heavily discounted and loss leading products to make money on the consumables