Data Forecaster & Predictive Modeling Engineer here :
Prerequisites for being successful on making your own models : linear algebra, statistics (lv 3 or higher), not necessary, but helpful
https://www.udemy.com/machinelearning/
https://www.udemy.com/deeplearning/
Popular packages I use : XGBoost, H2O, Keras, Tensorflow, Prophet
No math required, no programming required.. They teach you the high level concepts from start to finish simply and show you how to code each kind of model from the ground up!