Good cheap anti-static spray?

Try Pledge Multi Surface which is an electronics cleaner with an anti-static formula.

I imagine static guard would work. I do use the Nordost eco3 and have gone through about 1/4 bottle in the last year and a half. I spray it on a micro fiber cloth then wipe down my cables. I only use it when my system doesn't sound quite right and it does the trick. I also read somewhere that bounce sheets work well and smell pretty good too. Personally I haven't tried either since I have the eco3.

I friend of mine swears by the use of Bounce fabric softener dryer sheets. He rubs them on all his cables. Never tried it myself.