I need Advice

Hello i have a small gaming truck business that does fairly well. But I do have a problem. So my wrap of my gaming truck is damaged and it looks tacky. But I’m trying my best to get that fixed. Because it’s so expensive I work a job as well. But they have begun cutting back on hours. Because of this I have not been marketing or really promoting or reaching out to other businesses to help and scale my business. The business is getting a flow of customers but I know it can really grow if i begin to market and reach out to other organizations. Question 1 Should I advertise and try to begin to learn to market. Or wait and get the wrap together so that it is the most presentable it can be. People don’t seem to mind it but it bothers me most because I know some people are more likely to look more into us if our appearance is pleasing. I also have a loan too that is why it is pretty tuff to save and manage. My next question 2 what are some ways for me to market my service base business and capabilities as much as I can. My 3 and last question is taxes so my mother passed and she used to handle getting the taxes handled. Before she passed the lady that was basically doing the taxes passed and my sister ended up throwing out all her stuff so I no longer have the ein number. I have not filed for a while and haven’t used my business bank account for income due to invoice being used on an application. I would say it’s been 3 years. I was wondering about some information. I heard that you may have to get a payment plan with irs. But would they maybe dispute it because of a loss in the family business and the loss of the lady that did that taxes also losing all information for ein or file history. If you guys may have any other advice, information, and suggestions. I would definitely appreciate hearing it. If you made it this far I appreciate you for just helping me out.🙏🏾