what does "벌벌 기고" mean in this case?

Question

돈 몇 푼에도 벌벌 기고 쩔쩔매는 본인을 절대 닮지를 말래

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Answer 1

It is a combination of 벌벌 and 기다. According to the Naver Korean-English Dictionary:

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벌벌

Adverb.

1. shakingly; shiveringly
2. with crawling movement (Reference: often used as 벌벌 기다)

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기다

Verb.

1. crawl; creep
2. go very slowly
3. (slang) to act humble or cowardly before someone; cringe; grovel

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So we can conclude that the sentence can be translated to

돈 몇 푼에도 벌벌 기고 쩔쩔매는 본인을 절대 닮지를 말래
He says not to follow him always so thrifty.

Answer 2

1) 벌벌 기다 : Creep like a insect.

2) 벌벌 떨다 : tremble or flutter

In winter, I was shivering

겨울에 벌벌 떨었다 (= 부들부들 떨었다)

@ Comparing 뻘뻘