This'll be a thread to put all my personal plays in one place: from their conception, through to their execution...and autopsy.
I've developed my own BSP ("bet-sizing protocol"...what most people rather-vaguely call "money management") over the years and will be applying it here.
It's based on an indefinite (as many as are needed by the action that unfolds) number of separate banks, each set at the start with the same fixed $ amount that is ideally a convenient multiple of 30...as each bank will be comprised of exactly 30 units (meaning each unit is 3.33% of its specific bank...and will be adjusted immediately after each graded play).
About half of your existing overall bankroll dedicated to sport-betting works well here. For a $9k roll, specify the virtual initial bank for each "tray" (or "project" if you prefer) as $4,500 which nicely breaks down into 30 units, each of $150...doing so means each unit begins as a nice conservative 1.67% or so of the overall actual roll at the outset...but as action is graded, the specific tray-banks (and thus the $-definitions used for subsequent plays) will swing greatly above and below that of their initial values...the power of loosely-defined "Kelly streaks" (to both magnify gains into a heater...and to minimize losses into a cooler)
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To keep the numbers small and reduce the need for zeros, commas and decimal points, for the purposes of this thread, everything will be based on the following theoretical starting numbers
full bank: 900
virtual bank of each tray created: 450
initial unit within each tray: 15
so intial units will be "15" based on an initial bank of exactly "450" out of an overall initial balance of approximately "900" (or you may use any other multiple of 60/30/1 if you prefer...it's just the ratios that are important...and the consistency with which you apply/pro-rate your numbers as the action unfolds) ...
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the only other essential thing to note at the outset is that within each tray (project) bets will be either
for dog-priced items: treat each as a single play TO WIN 1u exactly (eg. at +120: -12.5/+15 intially, -0.833u/+1u generally)
or
for fave-priced items: run each as a leg of a seq.parlay-play, each commencing with a risk of 1u and snowballing into additional legs until an even-or-greater net payout is achieved
eg. for a -250, you play as a leg1 of a parlay to be unfolded manually
so -15/+6 for now, and if it wins...wait for another fave-play to become available to this tray and play it -21/+whatever...stop as soon as you've successfully created a winning "dog" play out of your "fave" legs...if it dies before fruition, you're only out the initial 1u
so maximum risk on any "play" (ie. either the "dog-to-win-1u" straight-ups OR the "chain of faves risking 1u/targeting at least 1u" composites) is 1u or 1/30th of the funds available to that project's bank...and the typical win targeted is for 1u but may exceed that occasionally on the final leg of an all-fave parlay