Manual Algorithm for Budget Allocation  & ALgorithm explanation

Dedicate a $ number to be your budget. This should solely be for the computer, not peripherals or a mouse. Call this "spending money".

Dedicate around $40-90 to your case; the larger the number, the less money for performance. A good case that works with most builds is the P300 from Phanteks. Subtract however much the case costs from "spending money"

Opt to buy windows later to ensure maximum performance (Retail windows is around $100; better to reallocate to hardware for now)

Depending on how much storage you want, dedicate $20-$150 on hard drives and SSDs. An effective way to spend your money is to buy a small SSD to run windows and a large hard drive (this strategy is generally used for builds under $1000). However, if you have the money to, I advise buying a generally large SSD and not worrying about that. Subtract however much you are spending on storage from the spending money.

Dedicate 40-45% of the remaining money to spend on your GPU, and 25-35% of that money to spend on your CPU. Subtract this cost from your remaining money, and deem these values "GPU spending money" and "CPU spending money".

From your remaining money, dedicate 30% to be called "RAM spending money", 30% to be called "PSU spending money", and 30% to be called "MOBO spending money"

The remaining 10% is "Cooler spending money"

Go on userbenchmark (below), go to GPU bench list, and set the price maximum to your GPU spending money. Sort by average bench, and pick the card with the highest average bench as your card. Do the same thing with CPU and CPU spending money respectively.

Using your RAM spending money, attempt to get 8-16GB of ram (24-32 if you so desire) of DDR4 with around a 3000 clock speed. Use PCPartpicker to search

Put all the parts so far into PCPartpicker. If certain parts are incompatible, change accordingly

With your MOBO spending money as a maximum, click "add motherboard" on the PCPartPicker list, and search for a motherboard with relatively good reviews or from a name brand that you trust. You can sort by reviews. Pick a motherboard.

With PSU spending money, pick a PSU that has at least 100W+ wattage higher than the estimated wattage on PCPartPicker; the higher the safer. If you can't, borrow money from any category (or use excess money) to reach this number.

With cooler money, pick a cooler with the highest reviews or thats from a name brand and at it to your build.

If there are compatibility errors try choosing different parts.

You're done!