Just two simple things, Zuki....

Firstly, announcing publicly that you WILL play for $50 might not have been the best idea. Let us just hope that some of the ED's at some of your higher-priced engagements don't see this, and realize that you CAN be had for less

Also, we'd better not hear you complain if some other retired person who gets back into 'entertaining' at NH gigs comes in to one of your $250 gigs, and offers to do it for $50 (or free!)
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An arranger is just a tool. What matters is what you build with it..!