All to the good
Definition 1 of 2
Pro Tip 1/3Positive Outcome
Use this phrase when something unexpectedly leads to a good result. 
The mistake in the calculation was all to the good, as we found a more efficient method.
Pro Tip 2/3Optimistic View
Shows an optimistic perspective even when things don't go as planned. 
He arrived late, but it was all to the good since we got extra preparation time.
Pro Tip 3/3After Adjustments
Use after changes that have led to improvement, even if unexpected. 
After her feedback, we revised our strategy, and it was all to the good.