Wanna drop $45 on Amazon for a sweet Prime Pantry Box? No, you don't.
Wanna check out the latest foreign knock-offs on eBay? No, you don't.
Love that new organic, free-range phonecase from Etsy? No, you don't.
Don't stops frivolous spending by disabling or removing buy buttons on major e-commerce sites. Enable or disable it via the chrome://extensions manager. (just copy and paste that in Chrome's address bar)
Live frugally. Just don't.