razo+r

Well, for a starter, you would likely have to model them in blender/3ds first.
After that, you have to give them some collision model so you don't fall through.
And then, you can use either existing invisible FARPs for resupply, or try coding it as a FARP directly.
However it seems like there is a size limit. If you make it too big you might get weird shadows.
There's also someone who built a ramp for DCS, so if you experience weird glitches with the collision model, perhaps that ramp has something special, if you need guidance.

You padlocked an enemy, basically locks your vision to an enemy like you said. Just press F1 or Num5, that should unlock it again.

No, it just lets you drive most (not all) units and gives you some rudimentary controll to the non-drivable ones.
Yes, by the press of a button.
No, I don't think you can replace the AWACS like that.
Combined arms was developed long before any of that Datalink we have now. The idea was just that you can control/drive vehicles or give them orders where to go/what to shoot. Other than that, the functionality is rather limited.

I think the ECM takes some time to warm up before you can use it. How long did you wait after putting it into ON and trying to activate it?

It's in the newsletter.

Over 2 years old bug, already reported.
Workaround posted in the last post of this topic:
 
 

You get no answer because it is the wrong tanker. In DCS, the MPRS can only refuel aircraft with a drogue/basket system. The boom is non functional, so you have to change it to the normal, non-MPRS KC-135.

The plane has to be set to "player" and then you have an additional tab available (next to the weapons tab, frequency tab etc.) that allows you to set specific fails. 

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As an alternative you can also trigger fails via the trigger list:

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Note: Failures don't work in Multiplayer
Recommendation: Don't ever enable random failures in the settings. It will give you just so many failures within a short span of time, and quite serious ones. In short, your aircraft won't get random failures, it will just break down, to put it bluntly.

It's an ancient core issue not related to a specific map.

No, if you place an object on a spawning spot, it gets blocked.
But if you change the aircraft to "start from ground" (provided it's no AI aircraft, it has to be "client" or "player"), then it will work.

Via the rearming menu, the same place where you select what weapons you want to load onto your Apache, like Hellfires or rockets. There's an additional slot there where you can select the FCR.

A bug that will be fixed in the next patch.

FYI, even numbers like .20, .25, .40 etc are usually used by VORs while uneven numbers like the one you listed are used by ILSs.

Turn off the historical filter, it is the clock/watch icon at the bottom bar.
Mods are not compatible with that filter.

First you have to add the file or the whole DCS folder as an exception to your anti virus and only after this you should run a repair.

Not possible.

It's just DCS. Mods can have all kind of unwanted side effects, no matter how (un)logical it seems.
Like the JAS-39 mod making ships disappear or back a long time ago the A-4 made other planes fall through the map.

\DCS World OpenBeta\Config\View\labels.lua
There are some lines in there defining the color in RGB. Change the values to your liking.
Integrity Check may or may not fail, I have not tested it.

Yes, it is normal. External fuel tanks will always be jettisoned before weapons.

You can save them as a static template and then load all of them into the same mission later.
Note: it's a static template. Some stuff may not be saved as you want.
However if it is one single group, you can also just Ctrl+C, open a new mission and Ctrl+V that group.

Well, the ATC system is an ancient relict from Lockon era if not before, where there were mainly russian aircraft around that did use QFE. So in that sense it's not really a bug but more a deprecated and out of date system.

No zipping needed. You can "open with" the miz file with winrar (not sure but should probably work with 7zip too). Then you can access the lua file directly and save it that way.

Give it a waypoint in the direction you want it to go.

That is correct as per design.