The new source has brought along two (un)welcome features: 1. Maximum amount of potions that can be purchased at once is 100. 2. Merchant tax is applied to the whole purchase, rather than individual items (buying 900 arrows @ 49,999 for 45m means you will be taxed in the 25m-100m tax bracket). Here are the fastest methods in order to save yourself time and money. Buying Potions 1. Find whatever potion you want to buy. 2. When it brings you to the purchase box, replace it with 0000000100 and copy and paste these numbers. 3. Move the trade window so the "OK" dialogue box is above the "Buy Item" box. 4. Hold ctrl+v, spam left mouse click. Tax Evade/NPC Items 1. Find the first equip you want to be sold and click it. EVERYTHING BELOW THIS WILL BE SOLD. 2. Similar to above, move the "OK" dialogue box so it's above the "Sell Item" button. 3. Spam left mouse click. The same can be done with arrows to avoid tax in merchant stores (easily able to buy 50m worth of arrows in under 20 seconds).
Honestly, one of the best guides on forums in my opinion. So well explained. Every player should know this haha! Taught me a few things too that I wasn't aware of! Thank you!