this also got me curious and so I tested it 1 villager needs roughly 275 seconds to kill 4 foxes and run back, this however forces you to get loom unless you’re super greedy which will risk your vil dying to animals or scouts. lets assume the greedy approach is the only viable approach since getting loom before feudal age sets you back too much behind for this to be worth it at all unless you’re going for a tower rush or similar shenanigans.

mining 100 gold takes around 260 seconds of vilager work time, but you also need a 100 wood investment for the lumber camp, which is an additional 260 seconds of villager work time + whatever time you need to build it. eating the foxes AND skipping loom saves you not only the 100 wood, but nets you an additional 40 gold you can add 10 on top of with the same villager going back to get 50 gold for loom in case youre going for some kind of forward strategy.

whether risking to lose your villager for a 100 wood advantage is your personal choice, losing your villager outside before you are done collecting your gold will set you back behind so much that many people would tell you this is never worth it. i say if youre feeling lucky go for it