Generally, no. Closing old cards reduces your total available credit, which will cause your utilization ratio to spike and hurt your score. It can also shorten your average credit history length. It's better to keep them open but cut them up or hide them to avoid temptation.
A zero-based budget, where every dollar of income is assigned a job (savings, debt, expenses), forces you to be intentional with money. It creates a conscious barrier against frivolous spending increases.
Making up 15% of your score, this factor considers the age of your oldest account, the age of your newest account, and the average age of all your accounts. A longer, well-established history provides more data and demonstrates experience managing credit responsibly.
Options include: 1) Selling the asset (if you have positive equity), 2) Voluntary surrender (returning the asset to the lender, though you may still owe a deficiency balance), 3) Refinancing (if you qualify for a lower payment), or 4) Negotiating a short sale (for a home, where the lender agrees to a sale for less than the owed amount).
Yes, if unpaid medical bills are sent to collections, they can be reported to credit bureaus and lower your score. However, newer policies require a 365-day waiting period before reporting, and paid medical collections are removed from reports.