BARTR™ by Blaz 

Input the amount of gold you can generate per hour in ingots or blocks (Selectable on the right).

Look under the stats table, and it'll tell you how many piglins you can run at full-speed.

You can run basically any amount of piglins, with any amount of gold, but they won't be bartering at full-speed.

Use the + and - buttons to select the amount of piglins you have running at full-speed.

Input the amount of hours you intend to afk.

Look at the stats table to see how much of everything will roughly be generated. These are AVERAGE values.

Look under the stats table to see how many items would be generated in total + how much storage you'll need for that afk time. I would always build more storage than is reccommended as RNG is a bitch.

Select the item in the dropdown menu.

Input how much of the item you want and what the number is (Singles, Stacks, Shulkers, Double Chests).

Select the "Desired/hr" mode.

Look under the stats table to see how many piglins you'd need running at full speed to get the amount of the item you selected per hour. It also provides how many gold ingots you'd need to keep the farm running at that speed. 

Use the + and - buttons to select the amount of piglins you have running at full-speed.

Select the item you want in the dropdown menu.

Input how much of the item you want and what the number is (Singles, Stacks, Shulkers, Double Chests).

Select the "Needed" mode.

Use the + and - buttons to select the amount of piglins you have/hope to have running at full-speed.

Input the amount of gold you can/will/hope to generate per hour in ingots or blocks (Selectable on the right).

If the amount of gold isn't enough for the amount of piglins you've selected, a yellow warning will pop up telling you how much gold you'd need for that amount