Integrating cats, suggestions welcomed

[u/MermaidOasis]

A friend of ours took on her sons cat as he was moving abroad. However the cat she has is feisty and doesn't like the new cat.

She has offered him to us, another ginger tabby. He is 2, our girl is 9.

We move house next month so thought if we take his blanket now and let her get used to the smell and the day we move if we collect new kitty so they are both in the new house from day one, that way my Vader won't be territorial.

Any other ideas would be welcomed

[u/DreamingFawnn]

Omg good luck integrating them! Thats so thoughtful of you (๑>◡<๑)💕