Yes, if a bidder puts in a max bid of $30 and the starting bid or previous high bid was $10, it would keep increasing automatically as others bid, up to the amount of $30, which is basically the same as eBay's proxy bidding system
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Happy 5th Birthday Liam! 4/11
Thank you for the most amazing 5 years of my life. It has been a joy watching you grow, thank you for sharing your journey with me.
xxxx