Bank Deposit Slips – after you reconcile your statements
Bank Statements – keep for 1 yr or store w tax returns if used to prove deductions
Investment Stmts – save annual stmts until you sell the investment
1099s – keep with your tax records for 7 yrs
Life Ins Policies – Keep if policy is still in force
Social Security Stmts – shred old stmt when you receive new one
Tax Returns and related documents – shred after 7 years