QB Issue Resolution:

So that’s what I’ve been doing, inputting expenses from receipts [i.e Harbor Freight, Home Depot, etc] as job materials, supplies, tools & equipment, etc. 

Is this the correct method?

Yes, if you paid it by CC

 

If so, is the attached image correct too or should I be doing the charge & payment instead of just the charge? 

You enter a bank payment, only when you make the payment.  use enter checks, select the bank account, set the check number correctly or to EFT if an electronic payment, enter the amount and select the CC account to be paid
Also, do all these have to be tied to the exact credit card they were charged on?

 

Yes

 

[Does it make a different when it comes to filing taxes?] And do I need to be attaching images of every receipt to each of these? 

Entirely up to you, what is important is that you have the receipt in the event of an audit.  I can my receipts and save the scan to my computer and google drive

Essentially want/need to know what EXACTLY must be done in order to report these on taxes as a Sole Proprietor. 

Resolution for Issue 'Expenses: An answer on google told me to enter Expenses in Bank Menu -> Enter Credit Card Charges?' available: Yes (Solved).
Source: Intuit Community forum.

Expenses: An answer on google told me to enter Expenses in Bank Menu -> Enter Credit Card Charges?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

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