I have won almost $18k betting around $100-200 a game ($4,500 was on SF moneyline) and concentrated beating the closing line. Not counting baseball I have won EVERY MONTH (Feb-Mar last hoops season and Sept- DEC and up $1,390 in Jan) not counting the baseball months.
I absolutley promise you I beat the closing 80% of the time. You must have dozens of outs(sqaure books), a line service, use key indicators on line movement (Dynamic line at Pinny), follow some steam, make around 30 bets on average nite and most importanly it takes time, time and more time. The lesser bets are every bit as valuable (1st half totals NBA and halftimes).
As for the NBA dogs bet, dogs cover 52% of the time almost every year in NBA, now add an extra point to that number and watch it creep into the mid 50% range.
This is a very simplistic explanation. Poster Sean1 can explain every bit as much as me but I promise you will win. I have taken a buddy with hardly any sports gambling knowledge and in 2 months betting $50 a game or so and he is about 3k.
I barely follow any sports and do NO handicapping(except NFL which I enjoy) and I have won.I actually hate NBA basketball, haven't honestly watched 1 second of it this year.
Throw in the occasional middle and away we go. Last hoops season from Feb- thru mid March I won 56% of my 600+ bets and all I did was concentrate on beating the closing line. This year alot more halftimes and 1st halves as books don't move as fast on these. I am telling you to scalp and middle for a month and you will kill the bad book/ bad number in the long run and see what exactly what I mean but don't forget it is work.