If you don’t feed your dog, eventually it will die and you won’t have a dog any more.

That’s how it is with racing too.  If you don’t patronize the people who sponsor your races, and let them know you appreciate their support of your sport, these people will stop giving.  And when sponsors dry up; you’ve seen it again and again; races go away.  Sponsor your sponsors right back.  Your momma taught you to say THANK YOU.