100% worth it, man. I was in your exact spot two years ago — same story, same “maybe next year” answers. Finally said screw it and built our own SSP advertising platform from the ground up. Found a solid dev shop that specializes in this stuff here’s who we went with, zero regrets
https://geomotiv.com/industries/adtech/ssp/ and now the code is ours, infra is ours, we push updates whenever we want. First month after launch we added two features the old vendor quoted us 9 months for, revenue jumped 28 % because we weren’t waiting on anyone. Yeah, you pay upfront, but you get the keys to the castle and never look back