I read the analyses posted here and those seem level-headed. But I saw the numbers at the front and given I am a big fan of reuse / renting companies, I got all

I read the analyses posted here and those seem level-headed. But I saw the numbers at the front and given I am a big fan of reuse / renting companies, I got all giddy and excited and didnt last past couple of pages. How can I improve my mindset when it comes to reading ipo filings ? I couldnt spot the issues others pointed out. Any tips ?