Grammostola rosea like substrate bone DRY. They will try to scale the walls of the enclosure if the substrate is moist/wet.
In my experience, G.rosea don't burrow, they just sit there.
Do NOT use an under tank heater! Tarantula's don't need an external heat source, as long as room temp is 65 or higher.
You won't have to clean the entire cage out very often, tarantulas don't defecate much, and are relatively clean.
This species, again in my experience, will not web much, mainly when about to molt, during the construction of a molt web.
The original enclosure you linked would be fine.
I've kept dozens and dozens of rose hairs, as well as over 100 other species of T's.
Good luck!
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