To add on, my friends all suggest getting new car seats for safety reason.
You can join these facebook groups to find some good deals:
https://www.facebook.com/groups/142574732522966/?fref=ts
https://www.facebook.com/groups/431827143581156/
For toy rental
http://www.rent-that-toy.com/
You can also find pre-loved items on sale on Carousell.
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