Where should we start?
Don't believe the notion that you cannot have too many plants. Before making any new purchase of plants, think about how the plant will fit into your existing collection and whether it is within your time or the skills to care for it.Learn more about of plants plant fungus identification. A large number of plants can flip the balance from plants that can be a help to your mental wellbeing to plants as the cause of stress. Also plants that end up in the garbage after a few months because you're not able to care for these plants is not sustainable gardening.
Systemsic insecticides should be considered an absolute last option when it comes to removing pests from your houseplants. However, don't think that just because you can tell that something's "natural" or "organic" does not mean it isn't the potential to pose a risk to your pet, you or wildlife. Biological controls are a fantastic method of dealing with an infestation, but don't believe that you can do one action and eliminate the issue for ever. The majority of pest issues require constant monitoring and lots of wiping and spraying leaves. Are you aware of where the old cactus that you purchased on really was sourced from? The practice of poaching plants is destroying communities of plants across many regions of the globe including South Africa and parts of Southeast Asia. Be aware of the warning indicators to be looking for when purchasing plants, so that you do not fall to the temptation of purchasing wild-collected plants. From labelling of plants to plastic pots, the world of gardening is littered with plastics - the majority of which isn't recyclable. It is changing however, it will take changes in our culture to allow things to truly shift towards a better direction. I have used plastic pots but they're used a lot and I do not purchase the latest plastic containers.