At what point did you let LO start going up and down the stairs? Did your flooring (carpet or hardwood) affect your decision? I ask because DD has been walking since 9 months and she is now 16 mo and is very steady on her feet, though she does still fall down sometimes. She is pretty steady on the stairs when I follow her up and I've watched her come down feet first (following in front of her) and she is pretty good at it. We have hardwood floors so it seems more dangerous than carpet for head bumps, etc. But, we have a new baby at home and it's hard to carry both of them. I need advice; at this point, would you still carry your 16 mo or let him/her go?
I wouldn't leave DD on the first or second floor unattended, just let her follow me up/down so I don't have to carry both. She may be a minute behind me, etc. We have baby gates at the top and bottom.