Get a good night"s sleep by going into your 'farter' (sleeping bag) warm, and maintaining the bag's thermal efficiency.
Building a tree house...first find a substantial stump... https://youtube.com/shorts/lzGxSm2MtSA?si=hOWGcBFRW43VifPm
Water filter bottle survival hack. https://youtube.com/shorts/74dGYX1ei7g?si=zmvJW8rSH7O7M-e0 NOTE: Although the filter may make the water clearer and more palatable than untreated water, the water still needs to be sterilised to make it potable and safe to drink. The filter will not remove insoluble inorganic contaminants, so it pays to know what may be coming from upstream.
Pingpong ball improvised alcohol stove... https://youtube.com/shorts/YaxPrrkMiGk?si=2PCxwuVrsLBYTL3w Looks legit, will have to try it out to confirm it works.
Sawing wood using a notched log as a sawing station. https://youtube.com/shorts/swY9zKXvTuk?si=i9UeH9lGHKx1PBce
Making fire starters using cotton wipes, plastic straws, and Vaseline. https://youtube.com/shorts/HPK6fYTAAbQ?si=kSgnemPycKrdqmY_
Making an improvised backpack from a chaff bag and a length of rope... https://youtube.com/shorts/bfbGAxQbk2o?si=n80UBCs5rMZH7a4p
Stumped for a humpy* for a day or three? https://youtube.com/shorts/xKK57wlmAoU?si=qLXNo4jXXuxXFSo3 Humpy - Wikipedia
An improvised wooden hook and an improvised knife from a tin lid. https://youtube.com/shorts/alzil9fDcNo?si=2v8nJ4NZVcdUpMiV
A knife which facilitates a fire making bow drill set up... https://youtube.com/shorts/GlG1v5CVHp4?si=rk0r5CzVwY0HESju
DIY fire starters using matches and other combustible materials. https://youtube.com/shorts/lZ9-Rv0lZ54?si=FjqqKGljQ17h6G_i Dipping in melted rendered animal fat would work if one didn't have candle wax available.