40+ shouldn't make it difficult for you to find work, IMHO. 50+ is where ageism starts to be a problem, no matter what your skill level. Consulting is a viable

40+ shouldn't make it difficult for you to find work, IMHO. 50+ is where ageism starts to be a problem, no matter what your skill level. Consulting is a viable route, but even though your startup failed, I'd start a business anyway and stash as much cash as you can before you pass 50.