I found Stuffit Deluxe for only $10. I am thinking about buying it, because I need to use folder archives quite often. But I don't really see why I would need it. Could anyone give me some advice?
can the built in utilities handle your .SIT and .HQX files? I don't know, I'm asking, but that would be primary motivations for me as to acquiring the Stuffit archive application.
I doubt anyone has .sit or .hqx archives any more, as those are relics of OS 9 and earlier. However, if you have them, the free Stuffit Expander will expand them.
Not really worth it in this day and age. When it first came out, it was one of the few applications that would handle those types of files. The only use would be the .sit or .hqx stuff as already pointed out, but then yeah, nobody actually uses that format anymore, and when you do find old files that do, the free version will take care of it.
If you are just decompressing files which OSX doesn't natively support then other tools like The Unarchiver work well and are free (it handles .sit and .hqx).