I used the cable ties initially and they work fine, a little fiddly to get them to release, but they are fairly inexpensive and do the job. I moved to cam buckle because they are easier/faster to tension and release.
The process I would use is simply:
1) add the new strip(s) ... yes on the initial run to the bilge, you can do more than 1 strip, after, not so much.
2) tighten the buckles at the mold stations
3) wrap the tensioner (bungee cord, latex tube, palletizing tape)
4) add wedges under the cambuckle straps as required to snug to the molds.
5) check new strips at all molds, add adjustments as required
I didn't put buckles at all stations, just the ones where it seemed I would need to "persuade the strips to stay in position (about every other one). As I approached the bilge turn, I ended up adding a few more straps to the mix .... that part of the stripping process always seems to require more support for the transition (horizontal to vertical twist) at the bow and stern.
This pic was taken later in the stripping process. If you use straps, I found that using the little wooden guides on the mold, for the straps makes life easier, they keep the strap positioned and I made them tall enough to ease the edge pressure they put on the strips. I also used a wedge under the strap (just at the last one), since the easing leaves a little less pressure on the strip edge and the wedge works perfect as the final push to the mold. You can also see some palletizing tape and a bungee cord used to augment holding the strips at the "turn of the bilge". The straps will do most of the work, but you will always have to do some additional "adjustments" at the bow and stern area (IMO). (if you can't see the tape or bungee cord, click the pic to make it full size)
If you do use the bungee cord or latex tubing (3/16" is good), you can see I just wrapped round and round, then finished with a small plastic clamp .... to release, just pull the clamp and unwind. The reason I thought to move to latex tubing (not as readily available as B cord) was to avoid the glue adhering to the cord.
I hope some of this will be useful for you, in the end each builder more or less has to customize the process for their specific environment.
Brian