Care to expand a little?
Some of the ones I have heard, not saying I agree with them but the rumour mill:
That they are running out of cash / will go bust / Elon is a bit mad: Just general concerns of over the stability of the future of the company.
Producion Issues: About eighteen months to two years to get a car delivered. Likely to be a lemon even when it arrives.
To answer the OP - I've been driving a plug in hybrid for about five years now. It gives me about 30 miles of charge and then has a small petrol engine that kicks in. Basically, if you are driving short distances it's a dream, if you need to do a long journey the engine is a bit horrible - it can cruise at 85mph but just feels like it wasn't built to. That said, I wanted to have a car with an unlimited range as I do occassionally need to do a long trip.
Couple of thoughts.
What is your driving likely to be? If you are doing a short commute (c.40 miles) then a plug in hybrid will do the job and will be the cheapest option. Looking at the maths on mine it's not a question of it holding it's value it's actually that I get my money back. Not overnight but I'm saving about £2k of petrol a year so run this thing for six years (currently at four) and I've more or less actually broken even. Been a long time since you can do that with a car.
- Remember you won't have access for free to the Tesla charging network so if you are doing motorway driving build that cost into your model. The Tesla charging network is wide but do make sure you have some on the most popular routes you might take over your range. As above, think on the saving. Just to say, you wil spend about 10p a mile on petrol for a 50 mpg car. If a Tesla Model 3 is going to cost you about £33k, six years of 20k miles a year is actually only to get you £12k back on that so it's still an investment.
- It is cool, a bit like buying a smarthpone on wheels in that you get software updates, there are things in the car that they just haven't decided how to use (two cameras for example).
- Think whether you need the large battery version. For me, I'm OK with the 220 miles version though one of my worries is whether that means actual 220 or it's a bit like petrol cars that claim mpg that are unrealistic in normal driving.
- Yes, Tesla's do hold their value up to a point but the batteries only have a seven year warranty. Once, like all batteries, they stop holding a charge you've got two options - pay a fortune to have them replaced or admit your car is now worthless.
Anyway, in the end I decided not to but mainly because my driving requirements have changed so I won't be doing more than local driving going forward so decided I'm OK in my old car.