what is better: small marketing languages = more money, or popular languages = more usable

Question

as i could see, knowing old languages make the finding job proccess very easy. the compeny's that still using them really need you and accept to pay you well for this. but knowing common popular languages let you a lot options to work and make cool new things, but you have a lot competition and get less money for your work.
so guys, i will happy to hear your proffetional opinion...
tnx

Answer 1

I think if you need money is better to go with old language, but i also think is good to know both. And most important is do you fill great when coding in this language, do you enjoy in working if you don't then change job, you cant be best if you don't work from heart