You are free to try, but I don't believe this will scale.
Some time ago I bought some delegations at minnowbooster (174 SP) and got around 2 Steem per week.
This are 11.5 Steem per 1000 SP
And you will vote after my account, so you will get an even smaller curation reward.
RE: 🏆 The Curation and Engagement Leagues 🏆 - STEEM prizes available!