She does not have a place to live; where should she observe ‘iddah following khula‘?

No File Exists
Check below answers in case you are looking for other related questions:
Does ‘iddah apply in the case of khula’?
If the spouses have agreed on khula‘, can she allow her husband to have sex with her before pronouncing the khula‘?

No File Exists
Related Answers:
Ruling on khul‘ during menses; should the menstrual cycle during which the khul‘ occurred be counted?
His wife asked him for khula‘ and he agreed to that on condition that she return some things to him, and she accepted that; then he had intercourse with her after that
Can she go for Hajj during her ‘iddah following the death of her husband?
Does ‘iddah apply in the case of khula’?
If the spouses have agreed on khula‘, can she allow her husband to have sex with her before pronouncing the khula‘?

Recommended answers for you:
Is it permissible for a woman to remove the pubic hair of another woman?
Seeing Laylat al-Qadr
Differences in Prayer for Men and Women
The virtue of fasting ‘Ashoora’
Ruling on praying in a garment on which there is a picture of an animal or a person