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seen some people talking about that pro and pro + options and prices, if you are doing something serious prices look ok.

I've been on Google for many years, at least a decade. Using mostly Drive for docs but I kept running out of storage space, more so because of my email, so I went the plus route and find it is worth it, the price of a cup of coffee for a month (at the level I am on).
For photos I got a Flickr Pro account, unlimited storage. It doesn't break the bank either.