There are lots of knives to choose from.
I think a good camping knife is the Condor Hudson Bay. I am not particularly used to using big knives, but it is right at the border line of being too big, but still small enough for a general purpose outdoor knife.
I would avoid knives with names like Bear Grylls, and the other outdoor survival TV guys in general.
Many of the Mora knives are very cost effective, but I am generally not a fan of using "kitchen" knives outdoors.
Hard to beat a Victorinox swiss army knife SAK) for general use. I have lots of knives, but I still carry a SAK everyday.
The Buck 110 (folder) is always a good choice for general purpose belt knife outdoors.
Many Case folders are under $50 or slightly above. They are good choices for EDC.
The RAT1 folder is an okay choice as mentioned above.
I am a fan of the Spyderco Delica folder for EDC, but it runs a bit over $50. The Spyderco Byrd line are much cheaper, but I assume they are Chinese made.
There are lots of choices.