Of course money can bring you happiness but if you're in love with money or think money will buy you peace of mind in everything then you'll end up very unhappy.
Using money to buy time linked to increased happiness. New research is challenging the age-old adage that money can't buy happiness. The study suggests that using money to buy free time -- such as paying to delegate household chores like cleaning and cooking -- is linked to greater life satisfaction. Source 2r.
While money can bring you less stress I do not think it can bring you inner peace. So I agree with you there Zeus. I think anyone can find inner peace even if they are totally stressed out at times worried about money. The fact that those with money do not stress about bills I think they have other greater stresses that us poor people have no clue about.