In a social media video, Brownlee responded to the "keyboard warriors", saying he didn't want people to think they couldn't do it in today's market, at a young age on their own.
"I am quite grateful and blessed my parents were in a position to lend me part of a deposit for my first property and guarantee my loan.
"But do I think 100 per cent I wouldn't be here without that? No not at all."
Brownlee said the first home he bought was in Hamilton, and didn't need to be renovated.
He later learned of other areas, including Flaxmere, Hastings, where houses could be bought for $100,000, needing only a 20 per cent deposit.
"I realised if I had bought one of those, and renovated it, within a couple of months I would have created sweat equity, and been able to revalue that sooner."
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He said people could get started with as little as $30,000.
"Start building equity, renovate and get going."