You CAN use them, but like people said you may not get much bang for your buck, and the alcohol can be problematic.
Here's my suggestion for you and EVERY NEW SOAPER - get to know the search function and also try just reading. Searching can challenging since you need to know what questions to ask, and what words are likely to work. As a new soaper, you have BUNCHES of questions, and a lot of them have been discussed before. One thing that I found enormously helpful (and entertaining, truth be told) when I started on forums was to go back in time to the beginning and just start reading. Make notes as you go. You will be amazed at the wealth of information ALREADY at your fingertips - you won't even have to wait for responses.