Login / Sign Up

Nu Stack Blog

Guides, strategies, and market insights for precious metals buyers and stackers.

How to Sell Silver Coins for the Best Price

April 27, 20267 min read

You've got silver coins and you want to sell them. Maybe you inherited a collection, maybe you're rebalancing your stack, or maybe you need cash. Whatever the …

How to Use SMA, RSI, and MACD to Time Gold and Silver Buys

April 26, 20265 min read

Most precious metals buyers make purchasing decisions based on feel. Gold dropped today, so it seems like a good time to buy. Silver's been climbing for two we…

How Much Is 10K Scrap Gold Worth?

April 25, 20265 min read

10K scrap gold is worth more than most people assume. At 41.67% pure gold, a handful of 10K chains, rings, and earrings can add up to hundreds or even thousand…

How the Nu Stack Chrome Extension Finds Deals While You Browse

April 24, 20265 min read

Browsing online marketplaces for gold and silver deals is a time sink. You scroll through hundreds of listings on Facebook Marketplace, most of which are overp…

How Much Is 14K Gold Per Gram? (Live Calculation Guide)

April 23, 20265 min read

The price of 14K gold per gram changes every time the gold spot price moves — which is multiple times per hour during trading sessions. There's no single perma…

How to Test Gold Purity Without Destroying It

April 22, 20265 min read

A karat stamp tells you what the manufacturer says a piece is. A purity test tells you what it actually is. If you're buying scrap gold — especially from the p…

What Is the Scrap Value of Gold Today?

April 21, 20265 min read

The scrap value of gold today depends on one thing that changes constantly — the spot price — and two things that don't change: the weight of your piece and it…

Top 5 Mistakes New Scrap Gold Buyers Make

April 20, 20265 min read

Every scrap gold buyer pays tuition. The question is how much. Some mistakes cost you $20 and a lesson. Others cost hundreds and a chunk of your confidence. Th…

What Is Gold Melt Value and Why It Matters

April 19, 20266 min read

Every gold transaction starts with one number: the melt value. It's the dollar amount the pure gold content of a piece is worth at today's market price — what …

Understanding Gold Karat: 10K vs 14K vs 18K vs 24K Explained

April 18, 20265 min read

If you've ever looked at a gold ring and wondered what "14K" actually means — or why a 10K chain costs so much less than an 18K chain of the same size — this g…

How Much Is 14K Scrap Gold Worth?

April 17, 20265 min read

14K is the karat you'll see more than any other if you're buying or selling scrap gold in the United States. It accounts for roughly 60–70% of all gold jewelry…

2026 Precious Metals Outlook: What Stackers Need to Know

April 16, 20265 min read

Nobody can predict where gold and silver prices will be in six months. Anyone who tells you otherwise is selling something. But you don't need a prediction to …

What Is Scrap Gold Worth in 2026?

April 15, 20266 min read

Scrap gold is worth exactly what the math says it's worth — weight times purity times today's spot price. That number is the melt value, and in 2026, with gold…

How to Buy Scrap Gold: A Complete Beginner's Guide

April 14, 20266 min read

Buying scrap gold is one of those businesses that looks simple from the outside. Someone sells you their old jewelry for less than the gold is worth, you sell …

How Much Is 10K Gold Worth Per Gram?

April 13, 20265 min read

10K gold gets overlooked. A lot of buyers skip right past it, thinking it's barely gold at all — "only 10 karats." That's a mistake. 10K gold is 41.67% pure go…

How to Track Your Precious Metals Portfolio (Beyond Spreadsheets)

April 12, 20265 min read

You started with a simple spreadsheet. One tab for gold, one for silver. Date, weight, karat, what you paid. It worked fine when you had ten entries.

What Is the Melt Value of Silver? How to Calculate It

April 11, 20266 min read

You're standing at a flea market holding a bag of pre-1965 quarters. The seller wants $120. Are they worth it? The answer comes down to one number: the melt va…

What Is Melt Value and Why Every Buyer Needs to Know It

April 10, 20264 min read

You're at a pawn shop. The owner slides a tray of gold chains across the counter and says, "I'll take $600 for the lot." The chains look heavy. The stamps say …

How Much Is 14K Gold Worth in 2026?

April 10, 20265 min read

If you're holding a 14K gold chain, ring, or bracelet and wondering what it's actually worth, you're asking the right question. The answer depends on three thi…

The Scrap Gold Business: Can You Actually Make a Living?

April 8, 20266 min read

Every scrap gold buyer has thought about it at some point. You're making $200 profit on a Tuesday afternoon deal and you think: what if I did this full time? W…

Gold vs Silver: Which Should You Stack in 2026?

April 6, 20265 min read

It's the question that starts more arguments in the stacking community than anything else: gold or silver? Both have been money for thousands of years. Both ho…

Nu Stack vs GoldFolio: Which Precious Metals App Is Right for You?

April 4, 20266 min read

If you're searching for a precious metals app, you've probably come across GoldFolio and Nu Stack. Both deal with gold and silver. Both have free tiers. Both l…

Best Scrap Gold Calculator Apps in 2026 (Compared)

April 2, 20267 min read

If you're still calculating melt value with a phone calculator and a spot price you Googled ten minutes ago, you're working harder than you need to. Scrap gold…

How to Calculate Scrap Gold Value in 2026

March 31, 20267 min read

You're standing at a pawn shop counter. The seller wants $180 for a 14K gold chain. It looks heavy — maybe 20 grams. Is that a good deal, or are you about to l…