I have never shot with broadheads since I haven't been hunting but my husband Josh does and he is using the same method as you are. About the only other thing we can think of is using home-made targets for BH and a nice one for FP's. It is a bit more work but should be cheaper. Josh paper tuned his too and they don't fly the same so he pulls out the BH's about a month before the season starts. Too bad you can't use the BH's on the self healing targets now that would be sweet!