Christina Haack’s decision to not sign a prenup when she and Josh Hall married in 2021 is coming back to bite her. Though Hall denied his estranged wife’s claim that he stole $35,000 from her, he has since made more alleged money grabs, including trying to prevent her from selling her Tennessee home and requesting a hefty spousal support deal. The mom-of-three, 41, “can’t believe that this is the same guy she thought she’d spend the rest of her life with,” one source told a news outlet. “There’s no telling how low Josh will stoop to get her money,” they added, as her attorney claimed it was ou…