Lauri, I am 6'2 260#s...our first tear was a 4x8, with 6'6" worth of sleeping area...plenty long enough but a little cozy(not bad but...) we are presently building a 5x8 with the same 6'6" length to the sleeping compartment so our 2 mutant chihuahuas don't get smushed

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We have had many a member who barley knew which end of a screwdriver to hold that built some mighty nice and functional tears..
The time factor is up to you and depends on how much time you can dedicate to it, how much dreaming you do and how much you can afford to spend at one time...you can build a tear for a grand with good scroungin abilities and minimal amenities or you can spend 3 grand or more on a really top shelf unit...the choice is yours...
The Generic Benroy plans located in the top index are a good place to start..using them as a guide, you can build any size/profile Tear you want...
Just remember that we charge for more advice than you can use and the charge is lotssa pics...it keeps AuntiM's bubble oil level and rest of us just luv 'em...
By the way...welcome abord and be sure and keep your sense of humor handy 'cause we are a little nuts about our little campers!!!!!!!
madjack

...I have come to believe that, conflict resolution, through violence, is never acceptable.....................mj