If you are planning to grow substances indoors then the first thing that you will want to do is look for help so that you can take all appropriate measures to ensure everything would proceed smoothly for you. There are countless substances that can be grown indoors and some of these can definitely only be grown this way so you will need help in understanding the basics of growing substances which should enable you to take appropriate measures as well as dedicating the right amount of money to the same.
Information and help is readily available online and in most cases you can get free help through available literature that has already been published. Nowadays, social media platforms are the way to go for people trying to learn something new, be it then growing a plant or preparing a meal for that matter.
YouTube for example, has lots of tutorials on achieving a range of goals proving to be the best source for info so you might just want to go ahead and look up videos on growing substances that you might be interested in on YouTube and see if you can find any that you could benefit from.
The only thing that you will have to be careful about is that the videos that you end up following are actually from reliable sources so that you are not misled in any way, thinking you could grow substances indoors that you later realize to be impossible.