On job applications, do not scribble out mistakes. Make sure the resum and job application are perfect. Where I work, even if I do not call someone for a job interview, if the application and resum are OK, I forward the info to other departments where I work. You want a ground floor opportunity of a Professional Business or Trade, you must dress the part. Eyebrow piercing, tongue piercing, even tattoos will be grounds to not hire you in a good job, even on the ground floor of the business.
Business wants their business.
In School for the most part there are no dress codes. Now to the job you do get. Don't expect to get the 9 to 5 job if the place of business works 24 hrs a day, don't assume you will have weekends off. You have to use your work ethic, and it may take years , to move ahead to better hours, a better schedule, and a better pay. There is no such thing as a promotion every year like in school.