It depends on where you store the bag on the plane. If your carry on bag will fit under the seat in front of you it's free. If you store the bag in the overhead bin I believe the charge is $25.00. It depends on the size of the bag.
Call the airport.
That would depend on your airline and you should either look into the pricing online or call them but I believe it is approximately $30 if you're flying Allegiant
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