[biggerfisch]

Well, you can send zero fee transactions, they'll just take a while to get through, depending on the current size of the mempool. And you can also always send transactions from multiple addresses, meaning you can add up these small amounts to something more meaningful

[rtkwe]

Will zero fee transactions ever get confirmations? They'll be the absolute last thing any miner includes so unless there's nothing else I wouldn't expect them to get any confirmations.