Hey /biz, I've been working at a gym in desperate need of

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Hey /biz, I've been working at a gym in desperate need of refurbishment and recently found out the owner is trying to sell due to lack of time needed to maintain the gym. I am very passionate about this gym and I was offered the opportunity to buy it. I really think it has potential and I'm able to put in the time im just not sure how I would go about acquiring the loan since I'm 19 and don't have much credit. Any help or advice in flipping establishments would be appreciated
Tl;dr: I want to buy a gym and flip it but don't know how to go about acquiring the money since I'm only 19