This is the 4696th most frequent Japanese word.
早くから
"早くから" means "from an early stage" or "since early on."
In this sentence, '早くから' is used to indicate an early starting point or long duration of involvement.
彼は早くからプロジェクトに取り組んでいました。
He had been working on the project since early times.
Here, '早くから' emphasizes the importance of starting preparations early to achieve favorable outcomes.
早くから準備を練っておかないと、良い結果は望めません。
You should prepare from early on, or good results cannot be expected.
In this case, '早くから' describes the early time at which the shop opens or starts its activities.