Verizon compatible phone for around $300 and question about Google Fi

My original Pixel has been acting up and I may need to replace it. The best I have found for around $300 right now is LG – G7 ThinQ for $240 from Best Buy or Google Pixel 3a for $350 when activated on Verizon. Like to see what other phones people recommend or what they think of the 2 I mentioned.

Also, my parents have Google Fi. If my OG Pixel is not dead, could I get a data only SIM from Google Fi to use in my old Pixel that would let me kid play Pokemon Go? Would the data only SIM work for other phones as well or would there be any advantage in using the Pixel in this way? Thanks