Remove redundant SDK Manager files - Can someone show me only the bare necessities?

I think I waste a lot of disk space with redundant SDK Manager packages. I have more than 12 GB in the android-sdk folder.
Which items in the SDK Manager do I really need to ensure best performance and maximal compatibility between all supported Android versions(common phones/tablets)?
I prepared a Google spreadsheet with my current SDK Manager view. Would you please be so kind and tag all the necessary SDK Manager stuff in column B with a [#] symbol?

Thanks a lot in advance! I know there is a Android Installation Checker, but I want the advice of a real person this time. :)

Fernando, I need to close some gaps in my knowledge with SDK Manager. I'm still not sure which packages I really need. Nobody was able to help me with my Spreadsheet yet. Is it really that much I need to install? I was confident it would take less than 2 minutes to tag all the necessary packages. :)

All you need is API 24, the SDK tools V25 or something like that. and all the way at the bottom the optional ones for IAP etc.
don't use API 25, since it won't work currently.

Attached is a screenshot of the bare basics that I have installed and I've not had a problem with any Fusion apk not working. Perhaps this can help you.

I need all the extras for the other software I'm generating an .apk from - not Fusion - so you probably don't need the extras block.

The size on my disk for just the sdk is 2.28GB and I last touched this November 2016 - so I've not installed any updates since then.

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