Friends In coursera there is a option called Financial aid available make use of it. These courses are valuable.
CS109 Data Science (Harvard) -
Class Material
Data-Driven Decision Making (PwC) -
https://www.coursera.org/learn/decision-making
Machine Learning (Stanford) -
https://www.coursera.org/learn/machine-learning
Data Science Foundations (IBM) -
https://cognitiveclass.ai/learn/data-science
Data Science Specialization (JHU) -
https://www.coursera.org/specializations/jhu-data-science
Enjoy Learning 
