in this case we know high earn - high risk, usually a high-risk business will have the opportunity to generate high income.
Likewise with trading and gambling, the results and risks are appropriate. Campaigns and mining also have similar results and risks.
I am not a gambler I am a trader so I trade.
I use the shortterm method because I have to adjust the conditions that occur at this time.
For the long-term income I also participated in the campaign, the purpose of participating in the campaign was in addition to income, I got information from forum activities, community.