Propagate in self watering pot

[Groentje]

I bought a syngonium red spot cutting 2 days ago. Its a rooted cutting in soil, and seems to be healthy apart from a little dry/burned spot on 1 leaf. Since its a more expensive cutting i really want to keep this one alive, so i bought a selfwatering pot with substrate and was planning to use it as soon as possible. But according to a plant youtuber i follow, the plant should remain untouched for at least a week. So what are your thoughts, transfer or wait for a week? And when transferred, can i use fertilizer already?