returns policy and new billing agreement confusion

[Metalgoat83]

Dear all

I recently had an email from paypal asking me to agree a billing agreement.

I agreed with it as I needed to start a refund process quickly and I didn't take the time to read it all correctly.

So I have agreed to something  that I have not read. I am sure it has no ill intentions, but I just want to know what i need to be aware of. 

Retrospectively I have followed the links from the automated email but I still do not understand %100 how my paypal 'experience' is different now? can anyone please translate the following email into 'plain english' for me - 

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Dear MetalGoat83, 

You set up a 

billing agreement 

https://cms.paypal.com/gb/cgi-bin/marketingweb?cmd=_render-content&content_ID=%2Fua%2FEbayBilling_fu...to automatically pay your eBay seller fees and any reimbursements made under the eBay Money Back Guarantee Policy.

Billing agreement ID:B-0EK66678ND864724N

Description:eBay Return Center

If you didn't make this change, 

let us know straight away 

https://www.paypal.com/selfhelp/home . This helps us make sure no one is accessing your account without you knowing.

"Want to change the way you pay your eBay seller fees and reimbursementsrepayments?"

You can pay your seller fees without using your PayPal account. To do this, please visit 

www.paypal.co.uk 

http://www.paypal.co.uk and click "My pre-approved payments" in your Profile.

Find out more about 

paying your eBay seller fees 

http://pages.ebay.co.uk/help/sell.html and funding repayments.

Yours sincerely,

Your PayPal team 

Help: 

https://www.paypal.com/selfhelp/home 

Security: 

https://www.paypal.com/security

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Its the 'reimbursments' part I just dont understand. Is this basically saying  'now you've agreed, paypal will organise the automatic reimbursement back into you paypal account once there is proof that the seller has recieved their item back'?

many thanks for the help... im just finding this new 'returns method' confusing. I am further confused as I have returned an item without a tracking number, yet paypal is asking me for one, and then telling me that if I use their label, paypal will charge me the P&P? So am I to pay eh P&P at the post office and they reimburse to the same value or am I to just attach the paypal label and then payapl charge me?

Anyway,,,, many thanks to you all for reading and helping.

Metalgoat83