Some paid courses are free in udemy (all courses for Short time)

Vedic Maths & Mental Maths through Animated Videos – 2021

Speed Easy Fast quick Techniques tricks key concepts quizzes shortcuts IQ skills memory techniques by Vedic &Mental math
https://www.udemy.com/course/vedic-maths-mental...

Quantity Surveying Templates for Effective Cost Management

Quantity Surveying, Payment Application, Payment Tracker, Variation, Claim, Material Claim, Guarantees, Price Comparison
https://www.udemy.com/course/quantity-surveying...

Dropshipping Hurdles You Can Overcome

How to get your drop shipping business to the next level
https://www.udemy.com/course/dropshipping-mini-...

Learn 47 Different Ways to Make Money Online!

Learn many PROVEN Ways to Make Money Online. Even 1 Strategy Will Pay Your Course Price Back!
https://www.udemy.com/course/learn-to-make-mone...

EASY way to learn PYTHON for Beginners – 2021

The easiest way to learn Python in-depth and build complex, scalable programs!
https://www.udemy.com/course/easy-way-to-learn-...

Learn User Experience Design from A-Z: Adobe XD UI/UX Design

Learn how to become a professional UX/UI Designer and create beautiful websites and applications from scratch.
https://www.udemy.com/course/learn-user-experie...

Comprehensive SQL Bootcamp : Beginner to Advanced

Learn SQL from scratch and become an expert
https://www.udemy.com/course/sql-with-postgresq...

Full Stack Programming for Complete Beginners in Python

Programming for complete beginners in python, along with pyqt5, mongoDB and software engineering basics
https://www.udemy.com/course/full-stack-program...

Machine Learning Bootcamp in Python with 5 Capstone Projects

Learn how to use Machine Learning with Python. Build 5 Complete Machine Learning Real World Projects with Python.
https://www.udemy.com/course/machine-learning-d...

(8 hrs) Minimalism – the Minimalist Lifestyle

Decluttering, Death Cleaning and Lagom (Course includes a workbook)
https://www.udemy.com/course/the-holman-protoco...