Hardwoods manufacturers won't want to hire you if you've been in softwoods. And vice versa. Choose your career path carefully. Salesman, Customer Service Representative, Teacher, Staff Accountant, Technical Writer isn't a career. Accounts Payable Clerk, Junior Accountant, Accountant, Controller, Chief Financial Officer, Vice President of Finance is a career.
People tend to earn what they deserve to earn.
Love, happiness, friendship, time for oneself are just as important as career. If career is everything in your life, you could be disappointed if your career is sidetracked. If you're fired or laid off, don't sue your former employer. Figure out your part in causing the problem. Then set about creating a new, better life for yourself.