Bet365 4/1 racibg offer

I used to do this offer and hope to hit the winner, however I might start changing to Matts method when ever he posts it up on blog

e.g instead add 0.8 to the back price, as 80% is the element of the free bet that can extract if hit a winner

Recent example, horse back is 6.0, lay is 6.2, so 6.8/6.2 for £50, guarantee £3.92

Now that might not be much, but every Channel 4 Saturday has usually 7-8 races, and the liquidity is much better too, so much tighter matches, 6.8/6.0 for example is £5.72 a race, so what 7 races each Saturday, 4 a month, 28 times £5.72 is £160.16 profit a month (if you like spending a few hours sat watching racing like I do anyway), and they say matched betting is dead…

Anyway, my query, for anyone able to answer it is, in changing to overlaying for guaranteed profit, I am not yet sure what happens if I hit a winner

Previously I would then use the risk free extraction to extract the profit, which would also qualify for another free bet should the horse also win, however by guaranteeing profit each race, how does this affect the risk free calculator equation

I cant help but think it is a bit more complicated than simply adding 0.8 to the back odds, or is it?

Jdrobbo, at top of the horse racing page (before the daily meetings), it has the options channel 4/1 or feature 4/1, click them