This is the 16871st most frequent Russian word.
советами
"Советами" means "advice" or "counsel" in the instrumental plural form, or "by/with advice."
In this sentence, 'советами' is used in the instrumental plural form of the noun 'совет', meaning 'advice', to indicate the means by which she helped.
Она помогла мне своими полезными советами.
She helped me with her useful advices.
Here, 'советами' is in instrumental plural form, indicating the action of exchanging pieces of advice or guidance between people.
Мы обменялись советами по поводу путешествия.
We exchanged advices regarding the trip.
In this example, 'советами' is used to represent sharing your advice with someone else.