These questions are for the community forum where you can get discussion from knowledgeable people and also the Maidsafe team.
This forum is for the developers discussions
Also this question cannot be answered in a form that would satisfy the purpose of the question. About the best timeframe is that vaults at home will appear in alpha 4 or later alpha. Farming for testSAFEcoin will happen when testSAFEcoin is introduced. And testSAFEcoin will be introduced in a late alpha or early beta.