If you're seeking advice on almost any topic, there are experts online. These are articles, websites, books, etc.
Of course, just because the person's an expert doesn't mean you have to go along with all the advice, and you can certainly modify how you make use of the advice. Experts are experts, however, since you are the person making use of the advice, you must make use of your own knowledge and judgement. You can also compare the advice of many different experts. For some subjects that allow for this, in which you don't have to be a "licensed" expert, such as self-publishing or container gardening, you should also try to become an expert yourself.
Nevertheless if you're seeking information on a subject, and you're not sure about what to do, then go online and ask the experts. Some websites are especially set up for you to receive advice from the experts, some of them online world renowned experts, as at Kasamba. Some expert websites charge a fee, others like wondir.com are free:
Expert advice can also be provided by the numerous online articles often written by experts. You should also read these many articles. Again, you should read articles written by different experts, compare the expert advice, and decide for yourself, according to your own intelligence and judgement, whether not you should take this advice. And especially, you should find solutions-oriented advice, detailed and specific, as well as general advice.