I completely agree, my son is 11 months and walking, and although he's not quite considered a toddler yet he is a handful, I struggle to chase him and clean up and do the chores
I wouldn't say it's hard as in physically difficult or intellectually challenging. It can be a drain on your energy and emotions though, that's for sure. Especially since sometimes it feels like you never get a break.
Difficult! I clean all day and as soon as my 3yr old gets home from head start its a mess :( my 2month on the other hand is easy and fun! I can get everything done with her around.