Question: Even the most free-spirited traveler can use a little help occasionally.
All free-spirited travellers never require any help.

Answer: no

Question: For more down-to-earth nightlife, several restaurants offer regular fado evenings.
Fado evenings typically come free-of-charge, but there are exceptions.

Answer: it is not possible to tell

Question: It shouldn't be any longer than four feet or it will be too heavy.
If it's bigger than four feet then it will be too heavy to carry.

Answer:
yes