Most traders don't blow up from bad entries. They blow up from bad MATH. 3 numbers decide if you survive this market. 1-Position size — risk 1-2% max, not "whatever feels right" 2-Funding rate — 0.05%/8h = silent daily bleed on perps 3-Break-even price — fees + funding quietly move your real entry I wrote the full breakdown with exact formulas + worked examples:
