Hi! I made 2 transactions through Bitcoin Core and mistakenly chose a very very low fee. That?s why my transactions are never-confirmed for months.
Bitcoin core can keep your transactions in the history even though they were replaced or invalid but will be marked with 'X' symbol.
Those 'X' wont affect your balance except if they are inbound, the amount wont be credited to your wallet.
If they are somehow still valid (
just marked '?') and the receiver's address is correct, you can use "
Increase transaction fee" by right-clicking the transaction.
But make sure that you're fine with the displayed new transaction fee.
There's also a chance that your first txn's change is the input of your second transaction, if that's the case, you wont be able to bump the parent's fee.
You'll have to do it manually using commands but that'll invalidate the child txn; or alternatively, abandon both transactions using the steps for Bitcoin Core in post #3's link then send another set with higher fee.