Hey, cool your jets. I was kidding. That's what this

symbolises.
Back on topic, I am just saying that if it's $60 more (and I was a student too -- twice, as well as working for Foot Locker for a year), why not go with the stuff that you KNOW is the right stuff, rather than take the risk with something that, once it is in there, ain't coming out EVER.
Demon didn't/couldn't give me the name of the foam he used. He just said it was the most expanding, highest PSI stuff that he could find at Home Depot. To quote (and I hope he doesn't mind me quoting a PM):
"I used a hard durometer self expanding polturethane foam.
I filled every rail and hole accessible from the bottom.
*basically the 2 major uni-frame rails under the cabin and the 2 small rear rails."
Now, this is all well and good, but understand the risks of such things. Many of the expanding foams available expand so much that they tell you not to use then near windows as they can apply enough pressure to distort the window frame and the headers. Do you want that to happen to your car, especially since once it sticks, is difficult or impossible to be removed?
I cannot pretend to be an expert on the topic, but I did my research on this a while ago. I decided against it for the reason that I live in Ottawa, and corrosion is a problem. If you have any corrosion started where this stuff has been injected, it would be difficult, if not impossible to repair.
And by the way Kremit, I bought my SVT because I liked it, but also because it was way cheaper than my other options.