How can I save a photo in lightroom by replacing original?

I also want an easier way to just edit the original images. I don't care what you all think. This is my PC, my copy of software, my pictures. And I do not care if I lose all my images and incur a loss. I don't care if it kills my parents. I want to edit the original directly. Out of the camera, destructive editing, using Lightroom. How do I do that? (Export is a workaround)
I hope I won't receive any consultation on why I shouldn't do this. Please only respond if you have an answer. Regards

I just wanted to add that original doesn't have to mean the original from the camera, but original file before export.

I have to save space on my website so the best way for me is to import all these files into lightroom and export them with compression and resize settings. It reduce 30-50% of the size without loosing visible quality. But its time consuming, that I can't replace them directly, but have to make different folder and then replace them by hand... So you can live with yourself when you give out that information :). It doesn't always mean deleting your camera files.

Another (dangerous?) approach might be to use Photoshop to resize the JPG files.

Define an Action that resizes (image pixel size) first, then run an Automated Batch Action on a folder of the JPG images.

My example (Pixel Dimensions to 50%)- Before and After: (it need not be 50%- could be 75%)

I agree totally with- "NEVER overwrite your originals."

Might be a bit of confusion revolving around the use of the word original.

Are you actualy trying to replace the original photo that came from your camera? Or, are you seeing your first exported photo after initial edits as an original?

Replacing the first basicaly a sin

Replacing the second no big deal.

Have you considered creating virtual copy's and editing thise.

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In my own workflow, I agree with dj_paige and would never delete originals. But it sounds like you understand the issues.

"I select "exisiting photos- override without warning" but when I press export it says it can't do it because it will replace the exisiting file."

Interesting, that seems like a bug to me.

Assuming you want to overwrite JPEG originals with exported versions, here's an alternate method:

1. Export the photos into a subfolder using these options:

2. Use Finder / File Exploer to move the exported photos from that subfolder back into the parent folder.

3. Select all the photos and do the menu command Photo > Develop Settings > Reset to clear all the develop settings from the catalog, which are now "baked in" to the exported photos.  

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Well, I think the advice everyone in this forum will give you is to NEVER overwrite your originals.

If they are RAW, they cannot be overwritten by LR. If they are JPG, you can overwrite (I'm not going to tell you how because I could not live with myself) but overwriting a JPG original with an edited original destroys the usefulness of Lightroom for this photo. It is doubly a bad thing to do.