In any case, the riskier your income situation, the more important it is to have money set aside to cover your necessary expenses in case of anemergency.
Using a savings account is great for funds you might need inanemergency, because you can access the money quickly without worrying about selling an asset.
For example, the ECB has a deposit facility that pays interest to banks, anemergency marginal lending facility for overnight borrowing and a weekly refinancing operation in which it lends money to banks.