Just wonder if you run a full node, do you get paid to relay transactions?
I came across
https://blockchain.info/ip-address/1.202.65.29(Fee: 0.0005 BTC - Size: 226 bytes) 2014-02-14 00:24:03
Is that the fee paid to the node or fee for the transaction that's added to the block?
There are two seperate (but possibly interlinked) processes; Running a node and Mining.
Running a node only relays transactions throughout the network (and uploads the blockchain to peers).
Mining requires computationally expensive cryptographic work be undertaken (by a CPU, GPU, ASIC or other device). The function of this is to secure the network by "auditing" transctions (preventing double spends etc). This 'expensive' work is rewarded by "newly minted" bitcoins and transaction fees.
Note that to Mine (usually) requires you to be running a full node, although this is not necessarily the case for some mining pools).
Getting paid to relay tx has been discussed here before, Im sure if you do a google custom search (or forum search) you will find reference to those conversations.