This is a question with answer options. Goal: How can you make long cuts on boards that are narrow?

Which of the following methods is more reasonable for accomplishing this goal?

Pick your answer from:
[1]. The easiest solution is to permanantly attach a "carrier board" of half of the same thickness, edge to edge, using pieces of double-sided tape every 6 in. It's a lot safer too.;
[2]. The easiest solution is to temporarily attach a "carrier board" of the same thickness, edge to edge, using pieces of double-sided tape every 6 in. It's a lot safer too.;...I think the answer is
[2].