Being near a bathroom has to do with whether the nerve bundle receiving stim addresses lower body issues. As for me, I am a T8-T9 implant of paddles and the stim covers me from waist to knees with its soothing buzz [blocking the pain signals effectively for me]. This does, however, also address the groin area, and when one has to go, the sensation under stim power is that YOU HAD BETTER BE ABLE TO GO RIGHT AWAY. Such matters become something you do not try to hold off as you may have in your prior life. Trust me.

Regarding the recovery time and process, you will be limited to very little to do for six weeks pretty sure. I was. The acronym I use is BLAST [no bending, lifting, stretching to reach for something above your head, no twisting]. Do bear in mind this is back surgery. Major stuff. Just because due to efforts to satisfy insurance by holding down cost sending you home the same day does NOT make the surgery any the less serious. You just have a better bed in which to lie [and truth be told, surgeons like to send patients home from surgery to allay fears of infection in hospital]. So, you will likely need a friend to be with you, such as perhaps some folks from your neighborhood or church who can rotate and help cover the time for your needs and the needs of the little ones as well. Going it alone would really be ill advised.

All of the best to you, and you are in my prayers,
Mark56