For what it’s worth
Definition 1 of 2
Pro Tip 1/3Humble Statement
Use it to humbly suggest something, showing you don't assume your opinion is the best or only one. 
For what it's worth, I think the blue design looks more appealing than the red.
Pro Tip 2/3Softening Disagreement
It's a polite way to introduce a different opinion or disagreement without causing offense. 
I understand your point, but for what it's worth, I believe we need more data before deciding.
Pro Tip 3/3Self-awareness
Shows you are aware of your limited expertise or authority on the subject. 
For what it's worth, as a newcomer, I feel the current strategy is quite effective.