>>1512345Pros
-Adds some comfort
-Gets you off of the ground
Cons
-If you are backpacking then bringing a camping cot can be a hassle
Pic related is my favourite tent for when I'm camping w/ my family.
The added weight is worth the comfort if you have trouble w/ sleeping on hard surfaces whilst backpacking. If you're driving & have plenty of storage space you may as well bring a cot.