Why not just inherit the rep from the site where you have the highest rep?
64147
What if MSE used a different rep model for privileges?
39497
I have a rep to protect. Where is it?
24713
Change rep required to downvote on MSE
28793
How are accounts sorted in Network Profile if they have the same rep?
87315
Why is user reputation publicly available?
22416
Should we allow adding rep to bounties to extend their duration?
116603
Why do suspended users have a reputation of one?
89094
Take into account all of the reputations from all stackexchange sites
14969
Why do I require 15 reputation to just up-vote something?
79007
Improve "Protected Question" message with regard to rep gained through Association Bonus
142292
What effect does serial downvoting have on my rep cap?
93098
Share reputation between Stack Exchange sites
47270
What is the best way to increase my reputation and privileges?
2091
What's the incentive to flag duplicates?
89447
Rep cap and user removed
59265
Why are reputation points the basis for obtaining privileges
27594
Should you gain rep for asking a duplicate question?