Dang, i'd rather not wait weeks for the sake of silver generation for all upgrading all that. Seems I'll have to buy silver.
Can I asked what units you used? I've been trying to level some archer units for the sake of type advantage but I've been thinking it's going to end up as a waste of time when archers don't even hit hard to begin with and usually just have a debuff or something. Though that 3star archer girl with the freeze ability has been somewhat useful, when it actually lands.