Theirs vs. There's
"Theirs" and "There's" have pretty similar pronunciations, but have different meanings and functions. To learn about their difference, read this part.
What Causes the Confusion?
'There's' and 'theirs' sound somewhat the same, but they have different meanings and spelling.
'Theirs': Possessive Pronoun
'Theirs' is the third-person plural possessive pronoun which is used to refer to something or someone belonging to or associated with others.
I need a car because my parents can't give me
We can use 'theirs' instead of 'his or hers' to show that something belongs to a person without mentioning the gender of those people.
I've read every author's point of view on that article, I don't agree with
'There's': Short Form
'There's' is the short form (or contracted form) of:
There
There