DCC connections and issues.

Just started to get back into model railroading and OO gauge. As a newbie, needed to run a few simple questions past other model
railway users. Running Hornby DCC select as my first step into DCC - plan to upgrade to a better DCC later finances allowing). Sorry if I listed the issues like bullet points, but felt it would make each issue easy to reply to.
a) My track layout is now built and using a dual circuit, I have all the points electro connected for DCC. Should I supply DCC connection to both tracks using a link wire, even though the points and track are all live? b) Running two locomotives (but with two others not selected) in sidings, runs fine on the DCC controller, but every so often, the engines both stop and the controller reboots (then both engines resume running). There are no shorts I can see, and at first I thought it was points related with the electro connected, but have elimated that. The power supply is 1amp as its the basic power unit that came with the Hornby Select. Do I need the larger 4amp supply? or is the 1amp sufficient? (Also thought a loco was shorting it at one point, but eliminated that as a cause as well). Finally: c) I have the point motors, enough for each point on my track (6 in total) and two point controllers each allowing 4 points/accessories. However wherever I put the DCC point controllers, I am going to be lucky if the wires from the point motors reached the controller for all 6, dont really want to buy a seperate DCC point controller for each, so I suppose I need to extend the wires from the points. Is there no quick easy way to do this without soldering or extending the wires? seems silly that the wires are so short!
Thanks all!
Chris King
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