Every week a Guardian Money reader submits a question, and it’s up to you to help him or her out – a selection of the best answers will appear in next Saturday’s paper.

This week’s question:

We have £10,000 to invest, but given that savings rates are so low I fancy BP shares paying 5%. My green wife won’t have it saying we can’t invest in such a company, even though she drives and fills up at BP. I think she’s being hypocritical, or has she a point?

Do you have a problem readers could solve? Email your suggestions to money@theguardian.com or write to us at Money, The Guardian, Kings Place, 90 York Way, London N1 9GU.