I wanted to ask 2 questions:

1. If someone did not pray his life time without any valid reason is it acceptable for his/her relative to pay for qazaa prayer or use the money they left behind for someone to pray on their behalf?

2. Is it ok to pay for your own qaza for example while alive, you pray some days and some days you miss. It's like being not serious for our prayers so may be total e.g 3 years in total.

1. It’s acceptable for the family to either pray for him or leave money behind for this purpose. In addition, he will account for the negligence.

2. You will only be able to leave money behind for it to be prayed on your behalf after your departure from this world. This cannot be done while you are alive