May's federal budget could pit property investors and first home buyers against each other. The Albanese Government isn't ruling out major changes to the capital gains tax discount. Greens Senators would have the deciding vote and tell 7News podcast The Issue they're willing to negotiate. New modelling from the Parliamentary Budget Office shows the tax concession will cost taxpayers $247 billion over the next decade. Tasmania Senator Nick McKim sits down for this week's episode.

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