I hope you're reading this from the beach. The kids are out of school, the relatives arrive next week and our employees are on vacation. We, meantime, are still here minding the store. Don't imagine you can mind your kids and mind your business at the same time, even if you work at home.
Children take time and energy.
You'll have to supervise them, keep them from yelling while you're on the phone with an important client and chauffeur them from activity to activity. It's best if you can arrange some regularly scheduled structured time for them to be somewhere else such as camp, classes and child care. But don't forget that summer also is a good time to spend MORE time with your kids, so set aside time to be with them. Too cheap to stay even at the Motel 6, he expects to take over your house and have you be his tour guide. Visitors and friends think self-employed people have all the free time in the world.