How to document security deposit deductions after move out

Security deposit deductions get messy when the move-out file is built after the argument starts. I learned to document the unit like someone else may have to understand it six months later. A photo of a dirty oven is not enough if there is no move-in comparison, no date, and no note showing whether it was beyond normal use. My process starts before the tenant leaves. I send the move-out instructi…