I did it once back in 2016.
Uploading might be a bit confusing when you do it for the first time, but after that it's smooth sailing.
Pricing, shop presence, achievements etc are easy to set up.
There were some good youtube videos back then explaining the process.
Also, updating your game is no problem at all.
I don't know if anything has changed since then, but I need to upload a game in a couple of weeks ( I'm way behind schedule ).
I'm already thrilled and looking forward to it
If you encounter any problems, feel free to ask here. I'll try and help you out. I need the practice anyway
PSY