Each upgrade adds its own bonus — click power or auto production per second.
Every 10 you own of the same upgrade doubles the bonus of the next copies of that upgrade.
Example: Steel Finger starts at +5 per click. After 10 owned, the next ones give +10. After 20, +20.
×4 in 3 means buy 3 more to reach the next doubling (new copies become 4× the base bonus).
102 total (or any number) is the combined bonus from every copy you already own of that upgrade — what it adds to click power or /sec right now.
Recycle run unlocks at 1250 upgrades owned. The bonus is weighted: expensive upgrades count more, and extra cheap copies barely add. Score and counts reset; leaderboard best stays.