Do you think your previous 2 companies failed because you didn't spend enough time/energy on them? If so, then yes, go for it! Life only happens once, and if y

Do you think your previous 2 companies failed because you didn't spend enough time/energy on them? If so, then yes, go for it! Life only happens once, and if you screw up, there will surely be another job you can get at a later point. If not, maybe continue playing it safe until you feel a bit more confident about what went wrong, so in the future you can give it a go full-time.