How many disadvantages of cutting down forest?

Reforestation is an extremely important thing for the earth because it helps the global climate and provides a habitat for many species who may have lost their home by previous deforestation. Although deforestation causes a domino affect that harms many different species, there are a few advantages to it. First, cutting down trees and using them for lumber is good for the economy, and also it gives livestock a place to graze. The only disadvantages of reforestation are cost and time.