Potty training for the most stubborn 3-year-old

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Oh god please help, lol. This girl turned three a month ago and still has never used the potty once. She just won’t do it!

For those who experienced a hard time potty training, what ultimately worked?

I had a family member tell me that pull ups delayed her daughters potty training and just put her in underwear and let her wet herself to learn. We may try that this weekend.

Any advice?! Please and thank you!!!