The change of lowering a rank V flag from 15k to 5k gold was the correct direction, but I don't think it was enough. The more I play the more I see that the entire benefit of the rank V flag should be in requiring that the flag remains raised.
I don't think you should incentive lowering the flag at any point. It's about risk/reward - you should have something on the line when you see an enemy and have a rank V flag up, not because you are going to miss out on the lowering bonus but because you will miss out on the continued benefit of having the flag up. It should take a little longer to get to rank V, and the bonus for turning stuff in should be even greater. It should feel amazing to get to rank V, and stay at the rank V level.
The next factor in all this are the Rank V quests (I'm going to ignore Reapers for this discussion since it works differently). I'm not sure what the solution is, but obviously there is a problem. Right now it's almost always the best idea to drop the flag once you pick your quest up, so you can get to rank V again for another quest. The rank V quest is so good, it's not worth staying at rank V and missing out on more of them. Somehow this has to change. Perhaps the rank V quests need to be purchased, and can only be done while flying the rank V flag, and can be purchased back-to-back? Perhaps they should reward even more, but require that they are done while continuing to fly the rank V flag? Regardless, it goes back to my previous point, you should never incentivize the lowering of the rank V flag.
