If you want to lose less, use How to verify your tipster?
Very simple - just join the betconfigurator and invite your tipster.
It's an advantage for both of you - the tipster can sell his coupons all over the world and you can have 15% of all his income.

Tipster	Coupons	Verified	Cost 1 unit=100	Win	Loss	Tips	Units Sum winning coupons x 1 unit	Accuracy	Profit	Efficiency
Sopot Master	2	2	200	1	1	1	155	50.00%	-45	-22.5%	GO
Jack Luck	6	6	600	1	5	3	194.71	16.67%	-405.29	-67.55%	GO
KB	16	16	1600	2	14	4	430.48	12.50%	-1169.52	-73.1%	GO
Gosi Niczka	1	1	100	0	1	0	0	0.00%	0	-100%	GO