Purchase Pixel or Samsung 5G phones through Google Fi website and get a high trade-in value for your old Samsung/Apple Phones.
You can essentially exchange your old Samsung S8/S9 phone for Pixel 4a at no cost.
S7 - $275
S8/S8+/S9/Note 8 - $350
S9+ - 375
Note 9 - $450
S10/Note 10/Note10+/S10E/S10+ - $500
Now might be a good time to get rid of your old phones for good value.