My tip is - have fun experimenting!
At the end of the day, it's a hobby and therefore it's not just about the end result, but also about the process ... the path itself.

Be in a good mood when you are listening to music, when I'm in a bad mood, doesn't matter what I listen to, everything sounds awful.

You missed out a very important tweak - clean all your contacts, from mains plugs through thr whole system to speaker connections. You will be amazed at the difference.

Oh yea and cleaning contacts helps too. Sometimes I think people buy new fancy cables when all they had to do was clean their existing ones

Here's twenty more. 1. Ensure your stylus is scrupulously clean. Clean at the end of every record side. 2. Ensure your turntable is 100% level. Coins under the feet can be used as shims. 3. Eliminate wobble from speakers. If you have a wood floor mount the speakers on screws driven into the floor. Three screws immediately prevents micro-movement as you can't rock a tripod. 4. Ensure all connections - including mains cables - are clean and tight. Unplugging and reconnecting audio cables is often enough to clean them. Always turn the power off and unplug from the wall socket before disturbing connections. 5. Ensure the screws holding drive units to the speaker cables are tight (be careful not to strip any threads) 6. Ensure the screws holding your cartridge to the headshell are tight (again be careful not to strip the threads. If you have  removable headshell take this off the arm first. If not be careful not to transmit torque to the arm bearings). 7. Try removing speaker grilles; usually sounds much better without. 8. Ensure your turntable is physically isolated, and as far away as possible, from the loudspeakers. A wall shelf is usually a good starting point. 9. If neighbours permit try listening late at night; less ambient noise, less road vibration through the house foundations, usually less noise pollution in the mains supply. 10. Experiment with tracking weight; plus or minus a few fractions of a gram can make a big difference. 11. Ensure your cartridge is above room temperature; especially in winter. Cold reduces the compliance of the stylus pivots. Try keeping an anglepoise lamp with a  low-wattage bulb close to, and pointing at, the cartridge to keep it warm. 12. If your turntable's on a dense, high-mass object (heavy furniture, marble slab or similar) try it on the lightest (but rigid) surface you can find; for instance a lightweight coffee table. Suspended sub-chassis turntables, in particular, don't like being coupled to high masses as it bypasses the suspension at subsonic frequencies. 12. Switch off the lights and use a couple of candles. The subdued lighting helps focus the aural senses and the ionised air is more relaxing. 13. Ensure you're comfortable and relaxed - sort the most comfortable chair in the house. Drag your system to the bedroom and try lying on the bed with headphones. 14. Try removing your turntable's perspex lid. Try off / on closed, on open and see if you have a preference. 16. Tidy up your cabling. Ensure mains cables are kept as far apart from signal wires as you can to minimise hums and buzzes. 17. Go around your listening room and check for loose items that can be rattling in sympathy with the music; china ornaments, glass in cabinet panels etc. Secure with blutack. 18. Try the door to your room open, slightly open or fully closed. A room with an open door has different standing wave behaviour to one with it closed. 19. Ensure vinyl is stored vertically and away from heat sources / sunlight to prevent warping. 20. Easiest and cheapest tip of all; listen with your eyes closed!! Bonus tip 21: Try leaving your gear (especially amplifiers and digital sources) powered up 24/7 so they're permanently at operating temperature and stable. Don't do this with vacuum tube stuff, though, as valves deteriorate with use. Good luck and enjoy!

I found that rugs make a BIG improvement in room sound over anything else.

The last tip is a top one.

Speaker positioning and roomdamping are the greatest step to perfection,my opinion

One of my favorite free tweek, is turn off the lights and listen in the dark. This will allow you to consentrate on the music.

Your so right about the cables, i do an Audiophile hygiene every year, cleaning everything and plug it all in again, it takes a week or so, befor everything is up and running smoothlees.

First of all thanks for Your interesting theme & good advices.But I would like to thank You for Your wonderful pronunciation & not just fast speak. My english not so good and You are my best and interesting teacher! Thank You and best vishes!

Live in a less than 600 square foot apartment n living room is cozy with “important” stuff and it’s the best sound I’ve ever had!

Thanks for the tips

A lot of really good advice.

You can little rubber and/or felt pads on the feet of the equipment. That really helps the dampening. Use multilpe AC outlets, hopefully on different breakers. Another cheap (not free) mod is upgrade phono headshell cabling.

great and totally informative video.

Great tips thanks!!!

I am constantly multi-tweaking because I have no patience 😮 My system rarely stays the same. And it is true - a lot of things affect the sound.

informative

7:00 - you have to be careful not to "over dampen" ! Over dampening can ruin your soundstage! That said,  dampening is important!