Depending on how much you can exploit SHA256 you could take all chance out of getting the longest block and earn the new coins or fees as often as you want. I don't know the specifics of the moving average of difficulty but you might be able to game it by backing off and letting the difficulty reset before finding the right hashes quickly again.
If you're already starting at 5% of the coins, and you're steadily gaining more, and the currency is tending to deflate, that sounds pretty close to printing money. Sure you're constrained but so is the Fed today in its abilities to print money effectively. Additionally, having so many BTCs pretty much ensures you can find a way to continue bettering your financial situation, generating interest or something more creative.
If you're already starting at 5% of the coins, and you're steadily gaining more, and the currency is tending to deflate, that sounds pretty close to printing money. Sure you're constrained but so is the Fed today in its abilities to print money effectively. Additionally, having so many BTCs pretty much ensures you can find a way to continue bettering your financial situation, generating interest or something more creative.