$500 via Verizon e-gift card (sent w/in 8 wks). Activation of 4G LTE/5G phone on 5G Get More plan req’d. Device must remain active for 45 days. $500 charge back if service cancelled w/in 12 mos or eligibility req’s are no longer met. See vzw.com/bring-your-own-device for details.
If you are using the web-based email client provided by the ISP, of course you can not keep using that with your new isp. Verizon has a free service called Trueswitch which may be usefull to you. It will depend on whether or not you have already discontinued the old isp account.