A proverb meaning it's wise to ask others for advice; sharing a worry makes it lighter.
困ったときは、ものは相談だと祖母はよく言っていた。
My grandmother used to say, 'When you're in trouble, it's best to ask others for advice.'
仕事のことで悩んでいるなら、ものは相談してみたらどう？
If you're worried about work, why not talk it over with someone?
試験勉強の方法は人それぞれだが、失敗したときはものは相談という考え方もある。
Study methods differ, but when you fail there's also the idea that you should ask others for advice.
A conversational lead-in meaning 'I have something to ask (or discuss)' used when about to make a request or seek advice.
あの、ものは相談なんですが、来週のプレゼンを手伝ってもらえますか？
Um, I have something to ask — could you help me with next week's presentation?
ものは相談で言うと、もう少し休みを取りたいんです。
To put it plainly, I want to ask for a little more time off.