Purchasing a lineup does not guarantee a win. DFS involves high variance, and "optimal" lineups often fail to cash.
Do you mostly play (50/50s) or Tournaments (GPPs)? buy dfs lineups
To give you the most relevant info on this, I'd need to know: Purchasing a lineup does not guarantee a win
Outsourcing the research, data analysis, and lineup construction process. significantly reducing your ROI.
Lineups generated by software that maximizes projected points while staying under the salary cap, often tailored for specific contest types (Cash Games vs. Tournaments/GPPs).
If a service sells the same top lineups to hundreds of users, you may end up splitting prizes with many others, significantly reducing your ROI.