All the things you mentioned in your question are secondary, some of them are recommended, while others are not, such as tieing knots in white cloth, these are untrue works.
The best thing you are required to do is to be pious to Allah.
Pray your 5 prayers on time, in good way, taking into consideration that you are standing in front of Almighty.
Do not do any sins.
Do not talk behind people.
Be good to people, mainly your parents, husband and relatives.