I guess we'll choose to disagree here. One day, Tesla won't need to raise capital because profit will be flooding in... but that day is not here. Right now Tesla might say they don't "need" to do a capital raise immediately... but that's code word for "We really ought to do a cap raise soon, but we'll say we don't need to do one so we don't look desperate. But first chance the stock price looks good, we're doing a cap raise. And if stock price stays low, then we'll be forced to do a cap raise, probably sooner than later." In other words, cap raise is coming within next 2-6 months, and it's because they "need" to, especially since SCTY acquisition brings on additional execution risk and they need a bigger cushion for that.
I think it comes down to timing.
Let's look at their cash needs:
For Model 3 launch (going through Q4, 2017), assuming 250,000 unit build plan
$1.2 billion for the equipment for Fremont for initial Model 3 production
Let's call it $25 million for finishing up Gigafactory phase 1
$75 million each quarter capex in addition for Superchargers and various retail/service build outs worldwide
$125 million for installation of equipment, Fremont expansion that is not equipment
That's $1.65 billion to launch the Model 3, but that doesn't count the parts up front ramp. Now, if they can get suppliers to take delayed payment terms that they implied, then the ramp isn't as bad if the launch goes relatively smoothly unlike the Model X launch.
Cash on hand is $3.1 billion. They would like to have $1 billion in cash and they have access to another $750 million in ABL.
Now, the issue is the timing of the 500,000 unit build plan for 2018. For that, we have at least:
Spending $400 million on Gigafactory phase 2, of which has already started in Q3, 2016
Spending $3 billion to expand Fremont again
Ongoing expansion of Superchargers and retail/service locations in 2018.
So the issue is when does the capex spend for 2018 hit? Some is already hitting with Gigafactory expansion. They will likely spend the $400 million spread through 6 quarters, or roughly $70 million each quarter until the last quarter. Panasonic starts their investment in that section in Q3, but really in Q4 of 2017. If it takes 2-3 quarters to have the factory expansion done, and Tesla does the 500,000 unit build plan in two sections, then the capex spend for the first section would likely start in Q3 of 2017. Then the next section would be Q4, 2017 to Q1, 2018. Of course, that amount doesn't happen all at once.
The real question is whether or not Tesla gets TE profits in 2017 in order to pay for the 2018 500,000 unit build plan. It seems that the Model 3 launch is not the problem, it's the timing of the capex for 2018 and the Model 3 launch S curve that will determine things. Clearly, if Tesla had an extra $1 billion or $2 billion, Tesla could freely choose to start the expansion to the 500,000 build plan pretty much directly on the heels of the 2017 expansion.