• One needs to go through the basic concepts used in every single GMAT focus edition topic. We have created a playlist of videos for this purpose. You can access them here.
• Once you have gone through those concepts, you need to start with mocks and other timed tests. You can access 2 free mocks at www.mba.com. Other than those 2 free mocks, you can buy subscription for additional 4 mock tests there. You can take each of the paid mocks twice.
• You may also get access to 10 paid mocks at gmathub.com.
• Other than these, you may use paid mocks at gmatclub. These are good for practice but do not simulate exactly the quality of questions one can expect in the real GMAT test.

Other GMAT free resources:

• One of the best repositories of questions is available on gmatclub. One can practice questions according to topics, difficulty level, source of questions etc. Click here to go to the main forum.
• It is important to start practicing according to your level and gradually increase the difficulty level.
• One has to be little careful about the answer explanations given. You will find a very diverse kind of methods used. This can be confusing in terms of what methods one should stick with.

It’s totally fine to start with self-prep for GMAT focus. But keep in mind that most of the self-prep leads to max. 80^th to 85^th percentile. If one is looking for better scores in shorter time duration, take help from a trainer.