If you send a transaction with a very low fee, say 1 satoshi, what happens to the transaction if your 1 sat fee never reaches the top of the line. Are the funds stuck in limbo, or can you spend the same satoshis again with a higher fee rate while the first transaction is still pending?
Discussion
If you created the transaction with RBF you can replace it with a higher fee. Or u can just wait. Few weeks ago I had a transaction with 1 sat/vB siting on the mempool for almost 3 weeks. But finally it got included in a block :)