To normally earn on mining, you need expensive equipment, this is not a free activity:)
On new coins, the complexity is usually not very big. You can do mining using not the newest video cards.
As for me, the idea to engage in mining from a home PC, immediately doomed to failure, this case should be approached more responsibly, of course, if you want to achieve results.
At home, the PC will not bring you the results that you expect, trite, even because of its power