ANSWER:

It is best to buy the expensive animal for Udhiya providing you can afford it and definitely without showing off and only for the sake of pleasing Allah.

I have seen people buying expensive smartphones and spending 25000 to 60000 But when it comes to buying Eid ul azha animal for sacrifice,they spend 15000 and also bring animal a day before Eid. And the one who brings heavy goats of 40000 to 45000 they talk about him telling he is doing show off. Is buying expensive a sin. Because people who spend on other things rather than eid animal see asit’s R