New to the World of CTCs

First of all, I am glad to have found this forum. A lot of questions I would have asked have already been discussed, and numerous examples and pics upload to collaborate ideas. I hope to be as creative as most on here.
Now, I am from the southern Texas area and have been increasingly enjoying the camping lifestyle with my wife. We have been doing primitive tent camping as well as cycling and kayaking. We have done several trips now with kayaks on roof, bikes on rear rack, and wife sitting Indian style in front seat(due to Chevy Tahoe packet as much as possible). We have been good about bringing only what we need, unfortunately we need more space. Now this has just been the wife and I, now we have 2 children that we are going to start bringing with us. One teenager and one almost toddler. Now that takes us from 2 people, 2 bikes, 2 kayaks, and all the camp gear..... to now 4 people, 3 bikes, 3 kayaks, camping gear and baby toys........
The following are things I have been debating as I have been researching for this project:
1. Bathroom (This is my first topic because, several of the campsites we stay at it is a good bike ride to the restrooms. We have had several nights sitting by the campfire and wished we had a closer facility. And now with the kids we do not want to have to make midnight walks or drives to restrooms.) Bathroom topics such as toilets, shower, hot water, plumbing, etc...
2. Electrical (I have a long list of items I would like to seeing my CTC, however I am a realistic person as well. Do I need an ice-maker or can I have a cooler like everyone else... Anyways, I am an Electronics Engineer by trade and understand the working of items such as inverters/converters/chargers/etc/etc/etc. I understand the theory, but what I don't understand is the practical application of these into a moving box.) Electrical topics such as Inverter vs Shore power. 12v vs 120v. Necessity or desire...
3. Kayak and Cycle Racking (I decided on a CTC over a toy hauler or RV because I want the leisure to setup the racking and cargo space as I liked. Like I mentioned before, I currently have 2 bikes, 2 kayaks to bring. Well soon 3 bike and 3 kayaks. My wife and I are really tired of racking the kayaks on top of Tahoe, and we have no idea what will would do with a third one. We have been thinking about auto loader system for top of Tahoe, but most of the equipment would weight more than the kayak and would need to be installed on and off.) Racking topics will include Kayak roof top as well as interior, Cycle racking exterior or interior.
4. Cooking and BBQ (I am a big fan of BBQ, not a big fan of camp ground bbq pits nor am I a fan of putting my dirty pit inside vehicle for transport. I want to bring my BBQ pit, which I need a new one once I figure out what will work best.) Topics will include storage and transport.
5. Last but not least Trailer (In my mind this is the least important item. I would rather I make sure that everything I need/want will fit into trailer. Also if I should order custom, ie door location, hatches, V nose, tilt, straight axle, extended tongue, etc, etc, etc. I also would like to not over order. I do not want to be pulling a 16 footer if I dont have too.) Topics include 6' vs 7'... 12 vs 14 vs 16... There are several websites to build trailer online like cargooutlet and diamondcargo. I am not sure how reputable these are, or even what the quality is like. I live near Houston, TX so I do have several places to look at. I have even been toying with the idea of relocating pass-side door, possible closer to axle or even in front on VNOSE, if VNOSE is purchased.
Anyways, I put them in that order because of importance when planning the build to myself. I want a fulling working bathroom, Place for my kayaks and bikes, setup for BBQ and cooking, and trailer that is just big enough. Thanks for the read and future responses.
Now, I am from the southern Texas area and have been increasingly enjoying the camping lifestyle with my wife. We have been doing primitive tent camping as well as cycling and kayaking. We have done several trips now with kayaks on roof, bikes on rear rack, and wife sitting Indian style in front seat(due to Chevy Tahoe packet as much as possible). We have been good about bringing only what we need, unfortunately we need more space. Now this has just been the wife and I, now we have 2 children that we are going to start bringing with us. One teenager and one almost toddler. Now that takes us from 2 people, 2 bikes, 2 kayaks, and all the camp gear..... to now 4 people, 3 bikes, 3 kayaks, camping gear and baby toys........
The following are things I have been debating as I have been researching for this project:
1. Bathroom (This is my first topic because, several of the campsites we stay at it is a good bike ride to the restrooms. We have had several nights sitting by the campfire and wished we had a closer facility. And now with the kids we do not want to have to make midnight walks or drives to restrooms.) Bathroom topics such as toilets, shower, hot water, plumbing, etc...
2. Electrical (I have a long list of items I would like to seeing my CTC, however I am a realistic person as well. Do I need an ice-maker or can I have a cooler like everyone else... Anyways, I am an Electronics Engineer by trade and understand the working of items such as inverters/converters/chargers/etc/etc/etc. I understand the theory, but what I don't understand is the practical application of these into a moving box.) Electrical topics such as Inverter vs Shore power. 12v vs 120v. Necessity or desire...
3. Kayak and Cycle Racking (I decided on a CTC over a toy hauler or RV because I want the leisure to setup the racking and cargo space as I liked. Like I mentioned before, I currently have 2 bikes, 2 kayaks to bring. Well soon 3 bike and 3 kayaks. My wife and I are really tired of racking the kayaks on top of Tahoe, and we have no idea what will would do with a third one. We have been thinking about auto loader system for top of Tahoe, but most of the equipment would weight more than the kayak and would need to be installed on and off.) Racking topics will include Kayak roof top as well as interior, Cycle racking exterior or interior.
4. Cooking and BBQ (I am a big fan of BBQ, not a big fan of camp ground bbq pits nor am I a fan of putting my dirty pit inside vehicle for transport. I want to bring my BBQ pit, which I need a new one once I figure out what will work best.) Topics will include storage and transport.
5. Last but not least Trailer (In my mind this is the least important item. I would rather I make sure that everything I need/want will fit into trailer. Also if I should order custom, ie door location, hatches, V nose, tilt, straight axle, extended tongue, etc, etc, etc. I also would like to not over order. I do not want to be pulling a 16 footer if I dont have too.) Topics include 6' vs 7'... 12 vs 14 vs 16... There are several websites to build trailer online like cargooutlet and diamondcargo. I am not sure how reputable these are, or even what the quality is like. I live near Houston, TX so I do have several places to look at. I have even been toying with the idea of relocating pass-side door, possible closer to axle or even in front on VNOSE, if VNOSE is purchased.
Anyways, I put them in that order because of importance when planning the build to myself. I want a fulling working bathroom, Place for my kayaks and bikes, setup for BBQ and cooking, and trailer that is just big enough. Thanks for the read and future responses.