Help Budget Trees Fix Their Essential Truck

I am the owner of Budget Trees in Corpus Christi, TX. We are a small local business and our primary truck needs a new motor. We are not in a position to get a new truck, so we HAVE to fix our Silverado. Any help would go to fixing our truck. My mother passed away a few months ago, and we are struggling as it is. We have been in business for 14 years. I've never asked for help, so this isn't easy for me, but I don't know what else to do.