Assalamu Alaikum Is it Bid'ah to make a Dua'a checklist, where you list down all the Dua's you want to make? Also, is it bad if a person makes a Dua'a for someone hoping that Allah will do the same for him? Like, if someone wants a Dua'a to be accepted, they make the same Dua for other person.

Ustadh AbdulAziz al-Haqqan
Checklist? I would recommend u memorize the duas. And make dua for yourself and your brothers it is all goodness as u want it for them and yourself as well.