How to build a time machine
Time Travel is a vain attempt to visit and/or effect other points within a timeline and/or manipulate events in order to create alternate parallel timelines all for the purposes of tourism, profit, knowledge, personal gain, or prevenge. There are professional entities (usually cosmic ones) and organizations which exist to traverse and maintain Time itself with particular care for the stability of Timeline Zero from paradoxes, time loops, timewaves, timequakes, reality shifts, or time heists. These collection of phenomenon and many of the causes of Time-Fuckery are the result or even presult of unskilled, amateur, unprofessional, and hackneyed time travel. DIY time travelers are the number one cause of timeline-ending cataclysms, despite ample warnings from themselves.