Keepsolid VPN / VPN Unlimited Lifetime Deal for only 13$
With them since 2017 and have been rock-solid for me. Check my signature for a list of all the VPN Lifetime Deals I have bought. In my Google Doc, you will also see that many other LE members already bought Keepsolid Lifetime deal.
Keepsolid VPN is also one of the lifetime deals that has no expiry date (unlike e.g. Ivacy) displayed in the client area