Shop Upgrade Grinding?

[Gin]

Is there a easy way to grind to 999 coins easy? I am at close to 700 and the only achievements left for True Plat God for me are the shop ones and a few easy ones. Since you can only donate a set amount every run, is there a way to grind this? I can only think of going Isaac and reroll until I get Thunder Thighs or Leo, break pots and rocks (for lucky rock), Donate, Rinse and repeat.

[Spadiel]

You could try Cain, Lucky Foot might give you a better chance and things dropping so you might get Lucky Poop or a similar trinket.

[Geothermal1159]

Also following the Cain thing just find 2 arcades.
The first arcade you go to the shell game and play till you get fly love, next get another arcade with the shell game and because you already have fly love there is no item he can give that will make him leave (outside of a troll bomb so be ready for that and move it away from him) so just keep on playing till you got as much money as you want.

This method will take time obviously to do it but it therotically CAN be done in 1 playtrough using this method.... but I would get too bored my self to do this so the second way to do it (besides any other suggestions in this foroum) would be to play the game normal and you will eventually get the 999 coins.

[Pink]

Do what I did, keep running with Azazel in first two stages, bomb any cluster of pots and always donate ASAP, you never know if you'll be able to donate 1 penny or 40.

A couple of times I even found 25 cents, and in many cases ended up with 15+ cents.

[Angela™]

Piggy bank + bloodbank usually jams the machine way before you spent it all. Semi easy to find too.

[Held By The Heal]

Originally posted by horheristo:

Do what I did, keep running with Azazel in first two stages, bomb any cluster of pots and always donate ASAP, you never know if you'll be able to donate 1 penny or 40.

A couple of times I even found 25 cents, and in many cases ended up with 15+ cents.

I found this to be a good way as well, since Azazel's flying lets you reach some coins you may have to bomb otherwise, and his high starting damage lets you rip through rooms quickly.

[Noelle Suplex]

There have been many times where I got the dollar and the donate machine jammed after one donation. its like the game knows when you have tons of money.

[CondoSlime]

if i want to use an slot machine or skull dude i can just put and large rock on my keyboard XD