Is it hard to increase engagement?

I'm buying a 25k account for 50 pounds right now. It seems fairly cheap. However the account's engagement is only 2.5% and the account isn't botted.

I'm not planning on botting with this account and would like to use a natural approach of growing the account and increasing the engagement. At first glance I don't think the current owner's posts are that good nor the post description. They aren't using many call to actions, etc.

So once an account engagement gets as low as 2.5% is the…

Is it hard to increase engagement?