Ive only owned a BP for about 3 weeks now...but as for records go...the day after I got him I went to walmart and bought a spiral notebook....I listed his named, morph type and date of purchase on the front and have been keeping weight/feeding/viv maintainance/shedding notes in it chronologically as I go...my future snakes will each have their own spiral notebooks.....also I have noted any issues...like him not eating for a scheduled (every 5 days) feeding...(I am a scientist by education and trade so the whole notebook thing was very much second nature i guess)