Help me upgrade the Plex Server

For the last few years I have been hosting a plex server for friends and family to access and share in the joy of what Plex can offer. At first I did this to initially help me but soon discovered it would benefit so many others in my world other than myself so I chose to open it up to al my friends and whanau. Now this has come a small cost to myself and my family. At first I never considered the increased cost of running and hosting the server but in the last year, mainly due to the economic climate at present, I am now looking at asking for donations to keep this server going. I AM NOT telling ANYONE they MUST donate, I have never done this to make money but I certainly never wanted to fork out money for others enjoyment. Long story short, I am running out of viable options to further upgrade the plex server and so here we are....