When to upgrade
- Read the upgrade's visible effect and its coin cost.
- Compare the extra ducks per minute against the coins spent.
- Upgrade only when the gain pays back within your grind plan.
Protect your reserve
An upgrade can drain coins you may need for a future weapon or dog. Set aside a protected reserve so you can always act on the next opportunity — never upgrade into an empty wallet.
One change at a time
After an upgrade, change exactly one variable (a weapon, a dog, a route). That way you can attribute any speed-up to the right cause and repeat it next cycle.