Every clarification breeds new questions.
When working on a project, if you put away a tool that you're certain you're finished with, you will need it instantly.
A failure will not appear until a unit has passed final inspection.
People who can least afford to pay rent, pay rent. People who can most afford to pay rent, build up equity.
If your project doesn't work, look for the part that you didn't think was important.
Any given program will expand to fill all available memory.