Super-cheap plastic sci-fi troopers from EM4 miniatures. These guys are £3.99 for five. You can get a whole platoon's worth for less than £20! : r/minipainting
Cheap Dnd Miniatures - Etsy UK
These Alternative Tabletop Miniatures Are Creative, Cheap, and Awesome - Nerdist
Townsfolk Mini Fantasy Bulk Figures Set- 64 Hand-Painted Miniatures (2x of 32 Unique Sculpts)- 1" Hex Nobility, Merchants, and more- Compatible w DND Dungeons Dragons, Pathfinder, RPG Tabletop Games : Amazon.co.uk: Toys
Cheap Miniatures - Etsy UK
Stemming the Gray Tide, or getting into Minis on the Cheap – White Metal Games
El Cheapo Miniatures for Fantasy PCs | Gnome Stew
Where to get a ton of D&D Minis Cheap Less Than A Dollar A Mini - YouTube
9 cheap miniatures games under £50 | Dicebreaker
How to store your miniatures for cheap - Dragon Bone Games