GeneClean versus Quiagen

[Tracy Aquilla]

In Article <belin-131094173214 at anapat1.univ-lyon1.fr>,
belin at cimacpcu.univ-lyon1.fr (CJF 90/10 INSERM) wrote:
>In my own opinion, it is not useful to waste money to extract DNA from
>agarose, I simply cut the gel, freeze it in liquid nitrogen. Then I prepare
>a 500ul eppendorff tube with a small hole at the bottom, filled with a
>little piece of glasswhool, this tube is put in a larger one and the
>complete system is centrifuge for 15mn at 12000g, the liquid is then
>precipitated by Na acetate and ethanol!
>Roger

Don't liquid nitrogen and glasswool cost something?
    Tracy