expression, noun
convenient thing; well-made thing; harmonious thing
Refers to something that is well-designed, convenient, or harmonious, often with a nuance of admiration or satisfaction. Used as a noun phrase.
このアプリは本当によくしたもので、毎日使っている。
This app is really well-made; I use it every day.
彼の提案はよくしたものだと思う。
I think his proposal is a convenient thing.
expression
things always work out
Expresses the idea that things tend to turn out well or conveniently, often used in a resigned or optimistic observation. Functions as a set phrase.
心配しなくても、世の中はよくしたものだよ。
Don't worry; things always work out in the end.