Lay the draw

[genozzolo]

Hello Sorry if I post here , hope its right place :) im studying a system with the usual lay draw and sell it while match in live. Didnt understand much betfair system so wanted to ask here :) If for example I take lay draw @3.8 with 10 euro, then during match 1 team win 4-0 and the back draw its @30 for example. Its better I trade the lay draw at that point or I get more money by wait the end of the match and get my 3.8 ? Was also think to cover me with 1-1 and 0-0 but havent idea of how it work

[genozzolo]

Re: Lay the draw so i just need to understand how much I get when I trade my 3.8-lay of the start, @ maybe 20 while the match is in live.