Bitcoin mining ROI in 2026 is negative for most home setups. Here's why — and the one exception.
Hardware: Bitmain Antminer S21 Pro. Cost: ~$4,500. Hashrate: 234 TH/s. Power: 3,510W. At $0.10/kWh electricity and current network difficulty, daily earnings: ~$3.40. Daily electricity cost: ~$8.43. Net loss: -$5.03/day. Payback period: never at these rates.
Mining is profitable only for operations with sub-$0.04/kWh power — industrial setups, not homes.
Device: Bitaxe Gamma 601. Cost: $99. Power: 10W. Monthly electricity: ~$0.72. Earnings model: not proportional — winner-takes-all. Weekly prize: ~$300,000 at 1-in-1,000,000,000 odds.
Expected value calculation: $99 one-time vs $1,040 over 10 years for Powerball — at 292x worse odds vs. ~$0.17/month electricity. On pure EV math, this is the best lifetime value lottery available — $99 once, weekly entries forever, 292x better odds than Powerball.
Don't treat Mine & Win as regular income. Treat it as a lifetime lottery position in Bitcoin, bought for $99 once. If Bitcoin reaches $500,000, the weekly prize exceeds $1.5 million. Your $99 entry remains valid regardless.