nixos, mostly. It has a very steep learning curve but if it breaks I’m just “whatever, rollback now, fix properly later”.

BGP anycast person here. If you have any presence in the region RIPE operates in then the pricing is within the homelab reach. ASN and a block of /48 would be about 70 EUR/year.

Alternatively, something like route64 would happily tunnel you IPs they announce for about 2 EUR/month.