CPC goes up after raising the budget

I wanna run a campaign for likes and intend to get it for 2 cents/like. The problem is, after spending much on testing and finally getting it for 2 cents, whenever I try to increase the budget the CPC goes up as well. What can I do to avoid this and maintain the CPC after raising the budget? ...

The best you can do is to start a new adsets . with a new budget. Let it run until it has the same results , or increase the budget every 2-3 days in small augmentation ($1-2 per day) so Facebook adapts before ruining the data and CPC.

How I use 1$ FB Ads

I noticed an interesting feature of FB ads budget. I have been running several FB ads for 1$ and they almost always outperform the ads with bigger budgets such as $10-$20/ad. This is how I do it:

-For the first I narrow an audience

to 100 000

-So my ad show me a potential reach ...

I don't do website clicks. Cause I don't want random clicks, I'm interested in conversions.

Rising Facebook's budget

How much % rising, and what time periods?

There is no special plan. As for me, better to raise for 50% per day, but someone raise for 10% every few hours.  Сonsidering the fact of difference in moderation better to make split tests . But Im sure that you should not rise for more than x2 per day if you work from new account)