diff --git a/src/routes/posts/quick-comparison-of-s3/_compare/Compare.svelte b/src/routes/posts/quick-comparison-of-s3/_compare/Compare.svelte
index ffaaffe..9a5090a 100644
--- a/src/routes/posts/quick-comparison-of-s3/_compare/Compare.svelte
+++ b/src/routes/posts/quick-comparison-of-s3/_compare/Compare.svelte
@@ -12,27 +12,27 @@
     const data = [
         {
             name: "Cloudflare R2",
-            price: ({ storage, egress, fileCount }) => 10 * storage + Math.max(0, fileCount-10e6)*0.36/1e6,
+            price: ({ storage, egress, fileCount, dataRetention }) => 10 * storage + Math.max(0, fileCount-10e6)*0.36/1e6,
             color: "orange",
             link: "cloudflare-r2"
         }, {
             name: "Wasabi",
-            price: ({ storage, egress, fileCount}) => 5 * storage,
+            price: ({ storage, egress, fileCount, dataRetention }) => 5 * storage * (90/dataRetention),
             color: "green",
             link: "wasabi"
         }, {
             name: "Backblaze B2",
-            price: ({ storage, egress, fileCount}) => 4 * storage + 10 * egress + Math.max(0, fileCount - 2500)*4/10e6,
+            price: ({ storage, egress, fileCount, dataRetention }) => 4 * storage + 10 * egress + Math.max(0, fileCount - 2500)*4/10e6,
             color: "red",
             link: "backblaze-b2"
         }, {
             name: "DO Spaces",
-            price: ({ storage, egress, fileCount}) => 20 * storage + 10 * egress,
+            price: ({ storage, egress, fileCount, dataRetention }) => 20 * storage + 10 * egress,
             color: "blue",
             link: "digitalocean-spaces"
         }, {
             name: "Storj.io",
-            price: ({ storage, egress, fileCount}) => 4 * storage + 7 * egress,
+            price: ({ storage, egress, fileCount, dataRetention }) => 4 * storage + 7 * egress,
             color: "rgb(0,120,180)",
             link: "storjio"
         }
@@ -52,9 +52,9 @@
 	}
 	const m = spring();
 	$: size = w < 480 ? 'small' : w < 640 ? 'medium' : 'large';
-    $: $m = data.map((d, i) => ({ x: i, y: d.price({ storage, egress, fileCount }) }));
+    $: $m = data.map((d, i) => ({ x: i, y: d.price({ storage, egress, fileCount, dataRetention }) }));
 	let max = spring();
-    $: $max = Math.max(50, ...data.map(d => d.price({ storage, egress, fileCount }) + d.price({ storage, egress, fileCount }) * 0.2));
+    $: $max = Math.max(50, ...data.map(d => d.price({ storage, egress, fileCount, dataRetention }) + d.price({ storage, egress, fileCount, dataRetention }) * 0.2));
 	onMount(() => {
         w = el.clientWidth;
     });
@@ -63,6 +63,8 @@
     $: if(storage < 1) storage = 1;
     let egress = 1;
     $: if(egress < 1) egress = 1;
+    let dataRetention = 90;
+    $: if(dataRetention < 1) dataRetention = 1;
 </script>
 
 <label for="storage">Storage used</label>
@@ -77,7 +79,7 @@
 <div class="flex">
     <input type="range" min="1" max="1000" step="1" bind:value={egress}>
     <div class="input-tb">
-        <input name="storage" id="egress" type="number" min="1" max="1000" step="1" bind:value={egress}>
+        <input name="egress" id="egress" type="number" min="1" max="1000" step="1" bind:value={egress}>
     </div>
 </div>
 
@@ -107,18 +109,27 @@
 
 <p class="credit">
 	Source: Respective pricing pages (see links above), on <Date value="2022-05-16T16:00" /> <small>(hover for quick relative time)</small> <br />
-    Prices are estimates, expecting that traffic is uniform during the month, and that the average size of a file is {averageSize}MB ({fileCount} files downloaded). Doesn't account for listings or deletions. Uploads are not using multipart.
+    Prices are estimates, expecting that traffic is uniform during the month, and that the average size of a file is {averageSize}MB ({Math.ceil(fileCount)} files downloaded). Doesn't account for listings or deletions. Uploads are not using multipart.
 </p>
 
 <details>
     <summary> Additional options and details </summary>
     
-    <label for="egress">Average file size</label>
+    <label for="file-size">Average file size</label>
     <small>It does account file count into the pricing maths, defaults to 1 file downloaded = GetObject op. I think that the ops pricing is just anti-spam measure.</small>
     <div class="flex">
         <input type="range" min="1" max="1000" step="1" bind:value={averageSize}>
         <div class="input-text input-mb">
-            <input name="storage" id="egress" type="number" min="1" max="1000" step="1" bind:value={averageSize}>
+            <input name="file-size" id="file-size" type="number" min="1" max="1000" step="1" bind:value={averageSize}>
+        </div>
+    </div>
+
+    <label for="days">Average data retention</label>
+    <small>Only affects Wasabi pricing.</small>
+    <div class="flex">
+        <input type="range" min="1" max="90" step="1" bind:value={dataRetention}>
+        <div class="input-text input-days">
+            <input name="days" id="days" type="number" min="1" max="90" step="1" bind:value={dataRetention}>
         </div>
     </div>
 
@@ -133,7 +144,7 @@
                 <tr>
                     <td><a href="#{service.link}">{service.name}</a></td>
                     <td><code>{service.price.toString().substring(service.price.toString().indexOf("=>") + 3)}</code></td>
-                    <td>{Math.floor(service.price({ egress, fileCount, storage }))}</td>
+                    <td>${Math.floor(service.price({ egress, fileCount, storage, dataRetention }))}/TB/month</td>
                 </tr>
             {/each}
         </tbody>
@@ -157,7 +168,6 @@
         position: relative;
     }
     .input-text::after {
-        content: "TB";
         position: absolute;
         top: 2px;
         right: .5em;
@@ -173,6 +183,12 @@
     .input-mb::after {
         content: "MB";
     }
+    .input-days::after {
+        content: "days";
+    }
+    input#days {
+        width: 5.5em;
+    }
     .input-text:hover::after, .input-text:focus-within::after {
         right: 1.5em;
     }
diff --git a/src/routes/posts/quick-comparison-of-s3/index.md b/src/routes/posts/quick-comparison-of-s3/index.md
index 372e0c1..27c5457 100644
--- a/src/routes/posts/quick-comparison-of-s3/index.md
+++ b/src/routes/posts/quick-comparison-of-s3/index.md
@@ -19,7 +19,7 @@ Out of the below, I only used `storj.io`. Others are just quick info based on th
 
 There's also a simplified comparison tool at the bottom.
 
-`egress` means outbound transfers.
+`egress` means outbound transfers. Some services have a monthly minimum fee, from what I checked it's 1TB or less. Some services may also have a minimum billable size (Wasabi 4KB, AWS 128KB).
 
 The services are in no particular order (I tried a bit by popularity, but no exact metrics were used for sorting).
 
@@ -48,9 +48,15 @@ Delete operations are free (`DeleteObject`, `DeleteBucket`, `DeleteMultipartUplo
 
 ## Wasabi
 
-***$5.99/TB/month***
+EU/NA: ***$5.99/TB/month***
+APAC: ***$6.99/TB/month***
 
-No API charge/egress.
+No API charge/egress. Minimum fee of 1TB storage.
+
+As mentioned by @spiffytech (via utteranc.es, see the bottom of the page), Wasabi always bills for a minimum of 90 days, even if you delete the files sooner.  
+If that's of a concern, try adjusting the slider in the "additional options" at the bottom graph. When you replace a file during those 90 days, it will still be billed (as if you deleted the file and created a new one).
+
+Has a policy that egress shouldn't be higher than the stored amount. Consider using CDN or a cache layer.
 
 [Home page](https://wasabi.com) | [Pricing page](https://wasabi.com/cloud-storage-pricing/)