If you can't afford to buy it new, wait, save, and buy it used.
Instead of buying a brand new, flimsy desk for $100, try this instead:
are you targeting (e.g., fashion, home, tech)?
Most people think "buying cheap" means buying low-quality, disposable items that end up in a landfill 3 weeks later. That's not frugal—that's just expensive in the long run.

