This would allow me to switch between scenes faster resulting in less downtime on the stream. but realistically id use it to add sound effects like Sam Pucket's remote on iCarly

Elgato Stream Deck XL

I would be able to print more viewer suggested models!

ELEGOO PLA Filament 1.75mm Black 1KG, 3D Printer Filament Dimensional Accuracy +/- 0.02mm, 1kg Cardboard Spool(2.2lbs) 3D Printing Filament Fits for Most FDM 3D Printers - 1kg Black

Remove the background from my camera allowing for more gameplay to be shown!

Upgrate EMART Green Screen, 61 x 72in Collapsible Chroma Key Panel for Background Removal, Portable Retractable Wrinkle Resistant Chromakey Green Backdrop with Auto-Locking Frame, Aluminum Hard Case - Collapsible Green Screen

Elgato Key Light Mini – Rechargeable Vlogging Light, Wi-Fi Control Brightness – Color Temp, Perfect for Streaming, Gaming, Video Conferencing, Easy-use App: PC/Mac/iPhone/Android, Black - Key Light Mini

JamesDoesALot