This section applies to all counties, except Baltimore City. Except as provided in §§ 12–404, 12–405, 12–406, 12–408, 12–409, 12–410, and 12–411 of this subtitle, the governing body of a county may: acquire, by lease, purchase, gift, devise, bequest, condemnation, or any other method, an interest in any property that is needed for a public purpose; construct buildings on the property for the benefit of the county; sell surplus property at public sale, after advertising the sale for at least 20 days; or provide wholly or partly for the financing of housing or a housing project; and place a deed of trust, mortgage, or other instrument on the financed property to ensure repayment of money used to purchase, construct, rehabilitate, or develop the housing or housing project.