If you want to move up through the company that you work for or just have a better paid job, then you may need to consider getting some more qualifications. In some industries qualifications are the thing that will enable you to get promoted and get better pay. However, it is worth looking into this before you try.
You need to consider where you want to go with your career. You may wish to continue with what you are doing but just get more experienced, more valuable and therefore worth more pay. You may want to change careers and try something new and therefore get more qualifications in a completely different area.
You will need to think hard about the cost. Think about what qualifications you will need and whether you can afford them. You may be able to get a grant or loan to help you but it will depend on the specific qualifications that you are looking to get. You may also find that your company might pay towards it as well, depending on whether it is something that will benefit you in your job. Find out how much it costs pretty early on as you will then know whether it is something that you will be able to afford to do.
You will need to consider how much time it will take to get these qualifications and whether you can commit the energy required to do them. If you need to study in work time, you will have to see if your employer is happy for you to do that as well. You will need to think about whether you will have hobbies, family commitments etc that you will need to give up in order to study and whether that is something that you can afford to do. If it is a long course, then you need to think about whether you think you will have the time in the future as well.
Getting qualifications can be a risk. You are assuming that the time and money that you put in will mean that you get a job at the end of it, that will repay you. This may not always be the case though. There are limited jobs out there and the job market will change between the time you decide on getting the qualification and the time that you are ready to apply for a job. This could mean that you end up with a qualification that you cannot use. If you will enjoy the course and want to learn and take a risk, then this means that the course is likely to be the right thing to do, as long as you can afford it. However, if you are not sure whether you will like it and it will push you budget wise, it may be sensible to give it a lot more thought. It is also worth discussing with a careers advisor to find out what they feel about the qualifications and how they will affect your employability in the future.