Hmmm, I see that the pre-draw topic still manages to top the charts. Years ago, when I was spending substantially more time here, I discussed pre-draws and how they most definitely affect a player's method/system/approach...choose your liking. There are many forms of variances in these games, some of which prevail much more than others and will absolutely shock a player to no end. I suffered financially on many drawings from what I believe was a direct result of the pre-draws. Let's examine what I'll bet lots of players are doing while others have learned and ceased from.
First rule of thumb: NEVER TAKE ANYTHING FOR GRANTED BECAUSE ANYTHING CAN HAPPEN...AND IT WILL JUST WHEN YOU DON'T NEED IT TO. Pre-draws allow a single digit in any position to drawn several times over and I've seen one drawn (5) times in a row. It's somewhat common place to see a digit drawn twice in the same position and this is where I would implement removal of that digit. Guess what? It came back to visit...again for a third time. I lose the draw on that ONE (1) number.
Pre draws allow a pair of numbers to be draw again in their same respected positions. Seems like a done deal, right? Try again as I've witnessed what I began to call a "COMPOUNED LOSS" as one of those digits was drawn again in the same position...which refers to the above multiple draw of a single digit. I've lost on playing "behind" an all odd or all even combination thinking it had to come back a mixed combination. Nope...I've seen states draw three numbers of the same "family" (odd/even) up to four (4) times in row! Somebody here knows exactly where I'm coming from if they're a serious player, very observant, and logs in data over time.
Let's see, what other circumstances have I lost really big on? Oh, I used to wait until I had a draw which contained either an eight (8) or a one (1). So, you ask, "What's up with those particular numbers, LUCKY?" Well, the number (8) is essentially at the very top of the scale leaving only one other number...nine (9). Same thing applies to the number one (1) and it being next to zero (0). I figured that there was no way in hell that this particular number would go up 8 to 9, or, go down 1 to 0 in their respected positions. I'd remove all combinations containing that number in its' position, under this assumption, and put a chunk of money on the draw.
Guess what? Yeah, I'd get that (9) or that (0) in that particular position. Several hundred dollars gone just like that! There's so much I could share, but I think studying and taking in data is the best instructor for every player because every approach is different. However, I firmly believe I've covered a fair amount of the most pre-draw responsible losses here. As such, I learned not to take any number for granted and to just be patient for ideal conditions. This game simply and absolutely cannot be played daily without losing. Discipline will greatly offset, and, almost prevent losing and I know this as fact from personal experience. Hope this helps someone out there...
Lucky