Appreciation - it's not difficult
Check out this piece of research from global rem company, PayScale. Money is important to everyone, right! But assuming you are paying in line with market, what will make a real difference about how your employees feel (and perform and stay)? Appreciation. From managers, from peers and from colleagues. And it's easy! Everyone needs to feel a part of the pack and getting a little bit of "I see you" is key to people's success at work.