Definitely, the strength of your mining rig is very important for you to mine bitcoin. This is why not everyone is involved in it because it takes some resources for you to get started. It requires a lot of electricity also and that case it may not be possible in countries that does not have steady electricity.It takes a little time to mine bitcoin. The real problem is the cost it accumulates, because you have to have a good mining rig. Mining rigs consume a lot of electricity and huge cost. Pool mining is often advised as it leads to better results