Are you sick of the rain because every time it rains your basement floods? If that becomes a problem you need to have someone come out and look at it.
As in any project or repair, the right tools are very important. Right size, right weight, right capacity, right price, right fit for the space available: these are always issues to be addressed. The best thing to do before you start any DIY project in your home with cracked walls is call $99 Waterproofing.