Dual-Rail Machine Payments: Why Agents Need Both x402 and MPP
Hardware Hunter now supports dual-rail machine payments via x402 on Base and MPP on Tempo, letting AI agents buy hardware price benchmarks without API keys.
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Hardware deals, pricewatch data, and the logic behind the hunt.
The Used GPU Sweet Spot: What $400 Actually Buys You
Real used prices and VRAM tradeoffs for the RTX 3080, RX 7800 XT, RX 7700 XT, and RTX 4060 Ti. Target and ceiling prices for smart hunting.
Read more →Your Agent Found a Cheap RTX 3080. Define Cheap.
An agent paid for a hardware price benchmark. Here is why defining the comparison set matters more than finding the lowest listing.
Read more →How to Check eBay Sold Listings Before Buying Used PC Hardware
Learn how to use eBay sold listings to compare used PC hardware, account for shipping, and set a realistic target price and ceiling.
Read more →MacBook Pro M4 2TB Price: What to Pay Used or Refurbished in 2026
Used and refurbished M4 MacBook Pros with 2TB range from $1,999 to $3,269. Match the chip and memory first, then compare price. What to check before buying.
Read more →Why Are SSD Prices So High in 2026? The Complete Breakdown
SSD prices doubled from NAND shortages and AI datacenter demand. Real price trends, when prices will drop, and the best budget NVMe deals right now.
Read more →Why DDR5 RAM Costs More Than Your CPU in 2026
DDR5 is up 344% since October 2025. Here's why HBM production, AI demand, and server pricing are making the simplest PC upgrade more expensive than ever.
Read more →Used RTX 4090 vs New RTX 5070: Which Should You Buy in May 2026?
Used RTX 4090 ($700-900) vs new RTX 5070 ($600). Real performance benchmarks, VRAM comparison, power draw, and which GPU is the better buy in 2026.
Read more →Why I Built a Price Tracker Instead of Refreshing eBay
The story behind Hardware Hunter — why checking five subreddits and eBay twice a day is a tax on having preferences, and what I built to stop paying it.
Read more →Used GPU Price Guide: What to Pay in 2026
Real used GPU prices updated September 2026: RTX 3060 Ti ($225–$280), 3070 ($267–$350), 3080 ($350–$500), 4060 ($150–$333), 4070, 4090. Real eBay & Reddit sold comps, plus mining card tests.
Read more →How to Spot Fake or Misrepresented Hardware on eBay
Fake GPUs, relabeled drives, wrong specs in the title — eBay is full of misrepresented hardware. Here's how to catch it before you buy.
Read more →Building a Home Server: Where to Buy Used Hardware
Where to buy used servers and homelab gear without getting scammed. Fair prices for Dell R740s, DDR4 ECC RAM, SAS drives, and trusted liquidation sources.
Read more →Enterprise SSD Buying Guide for ZFS and NAS
Used enterprise SSD guide for ZFS pools and TrueNAS. SATA vs NVMe, Micron 7300/Intel endurance, PLP capacitors, and avoiding QLC write penalties.
Read more →How to Read eBay Listings Like a Pro
eBay is the best place to find used hardware deals — and the best place to get scammed. Here's how to spot the difference.
Read more →HDD Pricewatch: How to Stop Missing Used Hard Drive Deals
Used 8TB drives run $28-42 and 16TB drives $65-95 when the timing hits. How to stop checking manually and catch deals before they're gone.
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