Automatically de-dupe Paypal Transactions
If you connect your Paypal account as well as the credit card and bank account that are used with it, all the transactions are duplicated. The Paypal record is more detailed than the bank transaction record, so it is nice to use the Paypal transaction for categorizing, and on the bank side, the transaction just shows up as "Paypal," so it's easy enough to ignore those manually. On the other hand, for the credit card, it's easier to mark the Paypal transaction as duplicates and much harder to find the matching transaction on the credit card side.
This is one the the annoyances with Mint, and it would be great to have Paypal (and Venmo and the like that are also pass-throughs) be treated differently so that these transactions don't have to be "ignored" manually