For example, you could use cheap and free sites such as LinkedIn Learning's courses, and gain certificates; you could try Google's certification programs that are both free and low cost; you can also avail yourself of free webinars hosted by universities and education institutions, or enrol on a course via Udemy.
To improve your visibility and competitive edge as a candidate, you need to maximize every opportunity available for your skills development. If you're currently unemployed you most likely won't be able to afford costly training, however there is an array of alternative upskilling options at your disposal, especially online. For example, you could use cheap and free sites such as LinkedIn Learning's courses, and gain certificates; you could try Google's certification programs that are both free and low cost; you can also avail yourself of free webinars hosted by universities and education institutions, or enrol on a course via Udemy.