Depends what you mean by "is it worth it?". For me...I would ask myself, is it cost effective? Cause I really only detail my customers vehicles. My personal vehicle never sees the light of day. If I did detail my own...I would say it's definitely worth it.
On a business stand point, it can be worth it for certain packages, or services. Yes, Iron-X definitely works, and it works well. It removes those orange rust pins with complete ease. Trying to clay those out is a pain in the neck. You just have to be sure you are getting paid for using that product. It's not cheap...which is most peoples reasoning for not even trying it.
I have to say...I've been using an alternate product almost identical to Iron-X, which is much cheaper. It works just as well, and doesn't smell nearly as bad. I won't mention the product, cause I don't believe it's sold here. I can say, the make begins with a W and ends with an F. It also rhymes with Golfs. That's all I'm sayin...:bolt: