New Serger to Continue Small Business

Hi, friends and family! Never thought I'd have to ask but a big part of my income and livelihood since I was laid off is my dog sweater and t-shirt business. And a big part of THAT is my little serger that sews up the t-shirts I sell. Sadly, I burned out the motor workings not once, but now twice, and the little machine just can't handle the volume of sewing I need to do. Being laid off makes it impossible for me to buy a new, heavier duty machine so my little business is on hold until I can purchase the machine I need. I hope that you can help me move my little business forward. Thank you in advance for any help that you can muster!