Even you and your family and maybe a few close friends, doing your absolute honest best, are going to lose and break some stuff. No one else will care nearly as much nor try nearly as hard.

DIY is the best solution, in the sense of "sucks least." Think hard about who you ask to help, too; needs to be people to whom you can confidently explain why they shouldn't touch "that box" or why there's bloodstains on the underside of the table.