I'm an hvac contractor, we are about the same age, so I feel your pain -- literally. First thing I'd do is put $100K into a money market fund . I personally use Ally. The interest it pays is better than a bank but nothing to brag about It keeps me liquid in case of emergencies. I'd then think about re-structuring your business to something more specialized, such as leak detection as an example I'm not really sure what specialties there are in plumbing Find yourself a good guy to work for you. I might look at doing a flip, but use cash rather than borrow. See if it's something you want to do, then go from there. My goals for next year are to go after higher $$$ work. Leave the lower margin, headache stuff behind gradually I'm hiring a business coach to help me get over the hurdle of growth so I don't have to run so many calls I actually enjoy them, but would rather pick and choose when I go vs employees go. A company I've looked at do plumbing coaching as well If you're interested in their contact info, PM me.