Facebook bans tobacco and cigarette ads outright, so that channel is closed no matter how good the creatives are. Anyone running it is cloaking, showing Facebook a clean page and buyers a different one, and those accounts get nuked constantly. You'd spend more time rebuilding banned accounts than selling.
Telegram is looser but the targeting is weak, so it's tough to reach actual buyers instead of just spraying channels and hoping.
For tobacco the reliable play is authority placements on sites that already rank. You reach buyers through search, nothing gets flagged, and it keeps working instead of collapsing every time an ad account gets banned. Since you're planning to spend high over time, that compounds instead of resetting to zero.
We run placements for tobacco and other restricted verticals. If you want to scale your business properly, send me a message on Telegram.