I see members chimed in at https://www.cnet.com/forums/discussions/i-need-help-upgrading-my-pc/ that this PC is what it is. Nothing really re-usable here.
If you did take out the HDD or such, then for the price of a working desktop (selling this one) you can use that cash for a better HDD.
You were talking DUAL GTX 980's which go for 800 each.
Maybe you really need to stop and think about getting a refund. You claim this cost you 500 so for that much at https://www.reddit.com/r/PCMasterRace/wiki/builds you would be gaming.
Right now, you are making multiple posts and folk will notice that and stop talking to you.
Hello, so I wanted to build a new PC that is pretty cheap, I don't want to be spending too much, that also includes a graphics card (can be some cheap SLi) Maybe I could reuse some of my current parts they are