[Q]: Which of the following solutions is better for the following goal:
cardboard

[A]: replaces a placemat

[Q]: Which of the following solutions is better for the following goal:
Make a blanket ladder.

[A]: cut down an old ladder to the right size, sand it and paint it and sand a bit more to make it shabby chic.

[Q]: Which of the following solutions is better for the following goal:
To soft boil an egg,

[A]: place the egg in boiling water until the white part of the egg is cooked, and the yolk of the egg is slightly cooked but still a little bit soft and runny.

[Q]: Which of the following solutions is better for the following goal:
How can I seal up my drink inside a solo cup?

[A]:
Use the lid from a pringles can, it's exactly the right size to seal a solo cup.