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HTML 

              
                <div id="container" class=" w-96 h-screen flex items-end border-2 border-red-500">
    <!-- Text -->
    <div id="insights-shipping-text" class="border-2 border-blue-500 text-2xl">
      <p class="border border-green-500">
        Okay...Unboxing your biz… this is a testing text to make the paragraph larger</p>
      <br>
      <br>
      <p class="border border-green-500">
        Hm mm...hm mm...oh!...interesting...I see...
      </p>
      <br>
      <br>
      <p class="flex">
          <button class="btn">Yup</button>
          <button class="btn ml-6">No. Tell me.</button>
      </p>
      <br>
      <br>
      <p class="border border-green-500">
        Okay...Let’s talk shipping…
      </p>
      <br>
      <br>
      <p class="border border-green-500">
        The _____ industry offers an average of ___ shipping options at checkout.
      </p>
      <br>
      <br>
      <p class="border border-green-500">
        _(Company Name)____ offers ___
      </p>
      <br>
      <br>
      <p class="border border-green-500">
        We know variety is the spice of logistics…
        But it is possible to offer too many options.
      </p>
      <br>
      <br>
      <p class="border border-green-500">
        Remember...less is more…
      </p>
      <br>
      <br>
      <p class="border border-green-500">
        Unless it’s less than 2 shipping options…
      </p>
      <br>
      <br>
      <p class="border border-green-500">
        and those options aren’t speedy enough...
      </p>
      <br>
      <br>
      <p class="border border-green-500">
        Then less is less.
      </p>

    </div>
</div>
!

CSS 

              
                .btn{
     border: 1px solid black;
  padding: 8px 12px;

}
!

JS 

              
                gsap.registerPlugin(SplitText);

let textContainer = $('#insights-shipping-text')
let textContainerHeight = textContainer.height()
let containerHeight = $('#container').height()
let dynamicText = gsap.utils.toArray("#insights-shipping-text p");

let main_tl = gsap.timeline();
let tl = gsap.timeline();
let initialPercentage = 100
gsap.set(textContainer, { y: textContainerHeight - $(dynamicText[0]).height()  });
let newValue = textContainerHeight - $(dynamicText[0]).height()

dynamicText.forEach((paragraph, i) => {
  
  let $this = $(paragraph)
  let $nextSibling = $(dynamicText[i + 1])
  
  let bottom = $this.offset().top + $this.height()
  let nextSiblingBottom = $nextSibling.length 
  ? $nextSibling.offset().top + $nextSibling.height()
  : null
  
  let subs = nextSiblingBottom - bottom
  
  let mySplitText = new SplitText(paragraph, { type: "words,chars" })
  let chars = mySplitText.chars
  
  tl.from(chars, {
    opacity: 0,
    duration: 0.01,
    ease: "power2",
    stagger: 0.05,
    onStart: (index) => {
      console.log(i);
      console.log('index', index)
    },
    onComplete: () => {
      newValue = newValue - subs
      if($nextSibling.length){
        gsap.to(textContainer, {y: newValue })
      }
      
    }
  })
  
});
!
999px

Console