When developers take shotcuts or decrease the quality to gain time, they will cause a technical debt. By doing nothing and letting the system age, the technical debt is growing too.

Independent IT Professional
When developers take shotcuts or decrease the quality to gain time, they will cause a technical debt. By doing nothing and letting the system age, the technical debt is growing too.
Dear Newbie, I know you struggle a bit with your new role and how to become a successful professional programmer. I think the best would be if I just told you, already now at start, what you need to know!