The result of the expression $-3 + 5 - 2 - 1$ is $-1$.

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Here are 5 related questions for further practice:

1. What is the result of $-4 + 6 - 3 + 2$?
2. How does the order of addition and subtraction affect the outcome of $-5 + 7 - 4$?
3. What happens when you calculate $3 - 7 + 2 - 1$?
4. Can you simplify the expression $-2 + 8 - 5 + 0$?
5. What is the outcome of $-1 - 1 - 1 + 3$?

Tip: Always perform addition and subtraction operations from left to right when they appear in sequence.