ISO crafting advice - 2h axe

Hello, i was wondering if anyone would have advice for me on this item linked. I would like to slam a gg mod in the last prefix and reroll the suffs until i get more then one decent roll. If i had plenty of currency what is the best way to finish this item? Thanks in advance for any advice.

Not sure what GG prefix you want to slam in there but in general you'd want to craft cannot change prefixes then use a scour orb to get rid of the suffixes without filling the prefix accidentally. You have to do this step first because you only have one open suffix. Then craft multi mod, prefixes cannot be changed and the prefix mod of your choice. Then reroll the suffixes in whatever way you like. Rinse repeat until you get the mod/s you want.

Is there no way to use horticrafting to improve odds on the last prefix?

I am not a crafting expert but i don't see how. Pretty much the only regular prefix you want on that is phys + accuracy which has the physical tag but it isn't the only prefix with that tag. There are 2 leech mods you could end up getting instead so phys harvest rerolling has a high chance of getting one of those. I don't know any way to prevent that so my recommendation would be to craft something with the regular crafting station rather than using harvest. "Hit's cannot be evaded" mod is probably the best prefix to slap in there.

For suffix crafting you can use trickery to make it cheaper if you want an attack suffix:
1. "Cannot roll Attack"
2. Exalt. This will fill prefix.
3. Craft desired attack suffix.
4. "Cannot roll Attack"
5. Annul. If "Cannot roll Attack" was removed then goto 4.
6. Multimod & craft 1x prefix & 1x suffix.

Make sure to experiment on https://www.craftofexile.com/ before trying in game.

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In Settlers league you can probably craft better weapon chepaer with recombs.