Walmart has the Honeywell Digital Ceramic Heater (HWLHCE311V) for $33 with free shipping. List price: $50. Features 1500-watts, high and low heat settings, programmable thermostat, overheat protection, oscillating, cool touch housing.
Amazon has the AmazonCommercial 42-Gallon Heavy Duty Contractor Bag 50-Pack for $20 with free shipping for Prime members or on $25+. Features thick-gauge opaque plastic, wide top opening, puncture and tear resistant.
Has excellent Amazon Reviews.