I have only bought cases of used bottles which needed to have labels removed and new 375 for specialty wines. Used bottles have been easy to find at the corner tavern, on Craig’s list, from friends, , etc
One message is wine teaches patience, ie a year in a carboy or barrel then bottle. You should be able to keep it under air lock a few months.
* any clean glass with a tight metal lid could be used. A good container has minimal head space (ullage) therefore wide mouth are bad. 500 ml PET liquor are good and grosch beer (fairly new rubber ring) are good
* You should not use poly/ HDPE as milk jugs or vinegar, (will develop a sherry flavor). PET is a good barrier as in salad dressing but the wine will probably pick up flavor from the salad dressing. metalized pouches as coffee bag in box work well again check flavor from what was in before, many plastic caps have high oxygen transmission/metal with a Saran liner is better, steel (magnetic) lids will rust so should not be used if you want over two years storage.