The other thing the tax bill removed was the exclusion of employer provided relocation support from taxable income. So even if an employer is willing to pay for

The other thing the tax bill removed was the exclusion of employer provided relocation support from taxable income. So even if an employer is willing to pay for relocation, that support shows up as taxable income. The new standard deduction for single filers maxes out at somewhere below $43k. So if your income is anywhere above that, you'd get a tax hit for moving. But even the thought of that hit is a possible disincentive.