Rehoming dogs

Rehoming my 2 dogs.
They are great around kids & adults as well as other dogs.
They originally stay outside but are kennel/crate trained as well.
I recently moved and cannot keep them unfortunately.
A 3 years old born sep 26 the other one was born may 29 2023.
Will ONLY rehome them together as they are father/son and get separation anxiety.
Asking for a rehoming fee of $500 to ensure they go to an actual loving home and not used just for breeding/fighting purposes.
Thank you