I havent left yet - in planning stages

Washington DC
When did you start your travels?: 
Reason for taking this trip: 
Daughter is going off to college in the fall - wanted to do something fun
Why did you decide to drive?: 
I have a well equiped vehicle - time to use it!
Are you also taking along pets?: 
Are you also taking along children?: 
What type of car are you driving?: 
2007 FJ Cruiser - highly modified
Did you make any modifications to your car for this trip?: 
Aluminess bumpers, 12,000 winch, BAJA Roof Rack, Rooftop tent with Queen size bed, 33 inch tires, Radflo Suspension, Budbuilt Stainless Steel Skid Plates, Dual Batteries, Supercharged, TRD Racing Exhaust, dual swing-ways ,with 3 Jerry Cans, Shovel, Axe, 33inch spare, Manley Off Road Trailer with additional Rooftop tent with Queen Size bed, Alarm System with Dual HD 1080P Security Cameras with Wifi and backup drive, secure gun box, Integrated iPod Mini with international LTE data plan (connected to Security Cameras), Pelican 10 day cooler, motorcycle carrier on trailer for Zero FX 5.7 Enduro Electric Motorcycle and two PEDEGO electric off road bikes. Pull out kitchen with propane hot water heater and cooktop, 2500 watt DC to AC inverter, 2000 watt stereo system integrated into iPad controller with Audison bit ten D interface and two Audison Voce AV 5.1K, with Hertz 8 inch door speakers, tweeters in A pillar, dash speakers and dual 12 inch subs in a fiberglass enclosure. LED Rigid D2 (3100 lumens each) off road lights (10 total: 6 forward firing (A pillar mounts above hood with long throw lens x2, in grill mounts with long throw lens X2 and wide angle yellow fog lights in bumper X2, rear firing defused lens X2, and 2 side firing diffused len). All driving and signal lights replaced with LED, additional under hood 60 AMP fuse box (for winch, DC/AC inverter, lighting, and stereo), controlled through illuminated rocker switches in stock locations.
How did you save up or finance your trip?: 
I work hard and play hard.
How long do you plan on traveling?: 
2 weeks
Where do you plan on driving? : 
Costa Rica
What were your family’s and friends’ reactions when you told them about your trip before you left?: 
Are you nuts?
What languages do you speak? Will you learn more on your trip?: 
Spanish - 2/2 yes
Do you have a favorite place that you've visited?: 
Costa Rica, Ecuador, Estonia,
What was the worst border crossing?: 
Afghanistan/Pakistan border near Caman, Balochistan (when I was in the military)
Do you have any advice for others who may be considering driving the Americas?: