Inspired from:
1. Rubregg's guide - Early Side-Missions In Locked-Off Areas

2. OrionSR's -Girlfriend progress trick

3. Jack Reacher's - PS3 Master save 

4. OrionSR's Guide - Proofed cars from Jealous Girlfriends 

5. OrionSR' guide - On Using Police Impound lots

6. GTA_Phreak's - Underwater Glitch

Details:

Collectibles: 
100 Tags sprayed, 50 Horseshoes collected, 50 Snapshots taken(one save for each set of collectibles) 50 Oysters collected in two stages(49+1).


Vehicle Missions completed
Vigilante, Paramedic, Firefighter, Pimping, Taxi & Burglary.
LS 24/7, SF Hippy shopper, LV Burger shot Courier assets acquired.
BMX, Chiliad(All three races won), NRG Challenges completed.
Stadium events; Blood Bowl, Dirt Track, Kick Start & 8-track done.

Highlights:
Katie, Michelle & Barbara obtained as girlfriends.

Progress with Michelle at 100% with the help of "She drives dates". Michelle's Monster truck available for use & special Racing outfit unlocked.

Jealous GF Proofed vehicles obtained:

1. Michelle's Monster Truck (2) - One stored in Doherty SF, the other at EL Corona, LS.
2. Barbara's Police Rancher(2) - One stored in Doherty SF, the other at Mulholland LS.
3. Katie's Romereo(2)- One stored in Santa Maria LS, the other at the LV Police Impound.

Other Minor details:
Motor Bike & Bicycle skills Maxed,
More than 4000 rounds of Minigun ammo collected,
Weapon skills except Pistols & Machine pistols Maximised,
Flying license obtained, Airport gates open,
68 out of 70 Unique stunt jumps completed,
"Grove street - Home" Exclamation not activated.
Jealous girlfriends still active.