(a) Notwithstanding any charter, private act, or general law requirements, any municipality or any county may purchase used or secondhand articles consisting of goods, equipment, materials, supplies, or commodities from any federal, state, or local governmental unit or agency without public advertisement and competitive soliciting.
(b) Notwithstanding any charter, private act, or general law requirements, any municipality or any county may purchase used or secondhand articles consisting of goods, equipment, materials, supplies, or commodities from any private individual or entity without public advertisement and competitive soliciting as long as the purchasing government documents the general range of value of the purchased item through a listing in a nationally recognized publication or through an appraisal by a licensed appraiser, and the price is not more than five percent (5%) higher than the highest value of the documented range.