how much does a garbage disposal cost and installation
Popular Mechanics â Has a step by step guide to help install a new disposal when the old unit fails. DIY Network â The DIYNetwork estimates the average cost to install a garbage disposal unit at approximately $100-$250, if you do it yourself. They provide a great guide for getting started as well. HomeWyse â Estimates the cost between $300-$400, with the biggest variable being the cost of the unit itself.