That sounded much more realistic for me.

中心的な意味

その選択肢なら、自分の状況でも実行できそうだと思った。

今回の文脈

Buying one share at a time sounded much more realistic for me.

別の文脈

Studying for thirty minutes a day sounded more realistic for me.

Taking the train sounded more realistic than renting a car.

Starting with a small project sounded much more realistic.

使える場面

費用、時間、能力などを考え、実行可能な方法を選ぶとき。

似た表現との違い

realistic：現実的で実行可能

reasonable：妥当で無理がない

practical：実際に役立つ、実用的