We used 2 foot post spikes, but you could use deck blocks which are cheap. We made 8 X 4 panels with viny lattice that we stapled to the panel. Then used cheap brackets screwed to posts to slide the panels in.
DIY Raised Garden Bed Easy & cheap way to keep animals such as cats & dogs from going into your garden. If you have multiple raised beds, you can use this fencing all around the perimiter of your garden instead of using it on each one.