Question

Exactly how much longer is it going to take for my taxes to come through

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Employee

TurboTax gets no information about the status of your refund.
The IRS says that most filers get their refunds within 21 days from the time their tax return is accepted. Some refunds take longer.
Have you confirmed that your efiled return was submitted and accepted by the IRS?
https://shop.turbotax.intuit.com/efile/efile_status_lookup.jsp
If accepted, what does the IRS tracking web site say about the status of your refund?
https://www.irs.gov/refunds
Here is an IRS Q&A with information about refunds:
https://www.irs.gov/refunds/tax-season-refund-frequently-asked-questions