I wouldn't pay that much money for the feeding station you can make one for like 3$ but that's just me. If you want to make one go to family dollar or dollar general and buy a cake carrier the make a entrance hole. You can use a clean empty soup can to make the hole it's perfect size and makes clean edges, just heat up the open end of the can and push it where ever you want the hole on the cake carrier.
The mini links in that last pic are not weight bearing, they are fine to hang charms and little things from but not safe to hang heavier things from. The counting clips are safe and very widely used to hang heavier toys and cage sets from. Google sugar glider kitchens it will give you lots of ideas that you can use to make one