Learn what you can't mail through USPS, from outright bans and restricted shipments with special handling rules to size limits and penalties for mistakes.
Learn how steering in real estate works, from the discriminatory tactics it involves and why it's banned to how you can report it and what penalties apply.
Learn how combined income for Social Security works, from calculating the figure and how benefits become taxable to strategies for keeping the total lower.
Learn how principal and interest work on an installment loan, from how each payment is split and rates are set to the ways borrowers can pay less interest.
Learn how to know if you have medical debt, from checking credit reports and insurer records to contacting providers and handling bills you can't pay or don't owe.