Yes, weight gain is possible on a paleo diet.
Yes, fruits and vegetables are composed of carbohydrates.
Yes, the stickies are full of great information.
Almond butter is your friend.
to lose weight you need to spend x+cal than you eat
to keep weight you need to spend x cal than you eat
to gain weight you need to spend x-1 cal than you eat
all the rest is bull shit
there are carb sources that are paleo like sweet potatoes, but doing it without carbs will be a bit more difficult.
Consume mass quantities.
Sweet potatoes are not paleo.
Sweet potatoes are not paleo.