If you think you are passionate enuff and confident of your abilities, then invest on a home studio and DIY everything. The sound biz doesn't really look at certificates during employment, they mostly look at experience, capability and most important thing, network. Investing on your own studio will entail you to future biz opportunities and also more understanding of gear as you get more hands on due to owning them. The cost of SAE etc is expensive, for that kinda money, you can invest on a studio yourself. But well, you have to be persistent and hardworking to walk this path as you are on your own...